Every birthday, my friends and I gather to celebrate with laughter, cake, and a few too many candles. Last year, I decided to be the jokester of the group and burst out with a flurry of knock-knock jokes that had everyone in stitches. As each punchline landed, the smiles grew wider and the cake crumbs flew. It’s amazing how simple humor can bring such joy, especially on special occasions. Here are 20 delightful knock-knock jokes to share at your next birthday bash!
1. Knock, knock!
Who’s there?
Lettuce.
Lettuce who?
Lettuce celebrate your birthday!
2. Knock, knock!
Who’s there?
Juno.
Juno who?
Juno it’s your birthday?
3. Knock, knock!
Who’s there?
Nobel.
Nobel who?
Nobel… that’s why I knocked!
4. Knock, knock!
Who’s there?
Tank.
Tank who?
You’re welcome for the birthday wishes!
5. Knock, knock!
Who’s there?
Olive.
Olive who?
Olive you! Happy Birthday!
6. Knock, knock!
Who’s there?
Candy.
Candy who?
Candy you believe it’s your birthday again?
7. Knock, knock!
Who’s there?
Howard.
Howard who?
Howard you like to celebrate your special day?
8. Knock, knock!
Who’s there?
Boo.
Boo who?
Don’t cry, it’s your birthday!
9. Knock, knock!
Who’s there?
Dishes.
Dishes who?
Dishes your birthday cake!
10. Knock, knock!
Who’s there?
Atch.
Atch who?
Bless you! Now let’s party!
11. Knock, knock!
Who’s there?
Donut.
Donut who?
Donut forget to make a wish!
12. Knock, knock!
Who’s there?
Orange.
Orange who?
Orange you glad it’s your birthday?
13. Knock, knock!
Who’s there?
Cereal.
Cereal who?
Cereal-ously, let’s get the party started!
14. Knock, knock!
Who’s there?
Gorilla.
Gorilla who?
Gorilla me a birthday song!
15. Knock, knock!
Who’s there?
Cactus.
Cactus who?
Cactus birthday wishes to you!
16. Knock, knock!
Who’s there?
Ice cream.
Ice cream who?
Ice cream every time it’s your birthday!
17. Knock, knock!
Who’s there?
Butter.
Butter who?
Butter late than never! Happy Birthday!
18. Knock, knock!
Who’s there?
Alpaca.
Alpaca who?
Alpaca the cake for the party!
19. Knock, knock!
Who’s there?
Tank.
Tank who?
You’re welcome for the birthday cheer!
20. Knock, knock!
Who’s there?
Ketchup.
Ketchup who?
Ketchup with all the fun—it’s your birthday!
Funny Knock Knock Basics
1. Knock, knock!
Who’s there?
Harry.
Harry who?
Harry up, it’s your birthday!
2. Knock, knock!
Who’s there?
Robin.
Robin who?
Robin you, now it’s time to celebrate!
3. Knock, knock!
Who’s there?
Booz.
Booz who?
Booz the birthday cheers, let’s drink to you!
4. Knock, knock!
Who’s there?
Doughnut.
Doughnut who?
Doughnut forget to enjoy your cake!
5. Knock, knock!
Who’s there?
Tank.
Tank who?
Tank you for inviting me to your party!
6. Knock, knock!
Who’s there?
Butter.
Butter who?
Butter let me in, it’s too cold outside!
7. Knock, knock!
Who’s there?
Chick.
Chick who?
Chick your birthday wishes off the list!
8. Knock, knock!
Who’s there?
Wendy.
Wendy who?
Wendy you think we should start the cake?
9. Knock, knock!
Who’s there?
Almond.
Almond who?
Almond the birthday fun!
10. Knock, knock!
Who’s there?
Olive.
Olive who?
Olive all the fun we have on your birthday!
11. Knock, knock!
Who’s there?
Biscuit.
Biscuit who?
Biscuit a little lighter, it’s time for cake!
12. Knock, knock!
Who’s there?
Figs.
Figs who?
Figs the party planner, we need more balloons!
13. Knock, knock!
Who’s there?
Charlie.
Charlie who?
Charlie horse? No, it’s time to dance!
14. Knock, knock!
Who’s there?
Taco.
Taco who?
Taco ‘bout a great birthday!
15. Knock, knock!
Who’s there?
Bear.
Bear who?
Bear with me, I’ve got more jokes!
16. Knock, knock!
Who’s there?
Broccoli.
Broccoli who?
Broccoli your doorbell, let’s get this party started!
17. Knock, knock!
Who’s there?
Cow.
Cow who?
Cowabunga! Happy birthday!
18. Knock, knock!
Who’s there?
Marie.
Marie who?
Marie Christmas? No, it’s your birthday!
19. Knock, knock!
Who’s there?
Tina.
Tina who?
Tina for cake, let’s dig in!
20. Knock, knock!
Who’s there?
Pasta.
Pasta who?
Pasta good time at your birthday party!
Classic Birthday Knock Knock Jokes
1. Knock, knock!
Who’s there?
Boo.
Boo who?
Don’t cry, it’s time for your birthday celebration!
2. Knock, knock!
Who’s there?
Chester.
Chester who?
Chester, the cake is ready!
3. Knock, knock!
Who’s there?
Olive.
Olive who?
Olive the cake, it’s your birthday!
4. Knock, knock!
Who’s there?
Figs.
Figs who?
Figs the cake if it’s not sweet enough!
5. Knock, knock!
Who’s there?
Justin.
Justin who?
Justin time to celebrate your birthday!
6. Knock, knock!
Who’s there?
Howard.
Howard who?
Howard you like to party on your birthday?
7. Knock, knock!
Who’s there?
Butter.
Butter who?
Butter hold onto your birthday wishes!
8. Knock, knock!
Who’s there?
Juice.
Juice who?
Juice gonna help us celebrate your special day!
9. Knock, knock!
Who’s there?
Tank.
Tank who?
Tank your friends for showing up to your birthday!
10. Knock, knock!
Who’s there?
Yoda.
Yoda who?
Yoda one for me on your birthday!
11. Knock, knock!
Who’s there?
Canoe.
Canoe who?
Canoe believe it’s your birthday already?
12. Knock, knock!
Who’s there?
Cereal.
Cereal who?
Cereal-ously, let’s eat some cake!
13. Knock, knock!
Who’s there?
Lettuce.
Lettuce who?
Lettuce celebrate your special day with joy!
14. Knock, knock!
Who’s there?
Biscuit.
Biscuit who?
Biscuit me a slice of that birthday cake!
15. Knock, knock!
Who’s there?
Cotton.
Cotton who?
Cotton your birthday hat, it’s party time!
16. Knock, knock!
Who’s there?
Pasta.
Pasta who?
Pasta the cake and let’s eat!
17. Knock, knock!
Who’s there?
Atch.
Atch who?
Bless you! Now let’s celebrate your birthday!
18. Knock, knock!
Who’s there?
Booze.
Booze who?
Booze this birthday is for you!
19. Knock, knock!
Who’s there?
Stuck.
Stuck who?
Stuck with the best birthday party ever!
20. Knock, knock!
Who’s there?
Nobel.
Nobel who?
Nobel… that’s why I’m here to celebrate!
Jokes for Kids
1. Knock, knock!
Who’s there?
Annie.
Annie who?
Annie chance you have some cake for me?
2. Knock, knock!
Who’s there?
Olive.
Olive who?
Olive the fun at birthday parties!
3. Knock, knock!
Who’s there?
Ice cream.
Ice cream who?
Ice cream for birthday cake!
4. Knock, knock!
Who’s there?
Tank.
Tank who?
Tank you for inviting me to your birthday!
5. Knock, knock!
Who’s there?
Harry.
Harry who?
Harry up and cut the cake!
6. Knock, knock!
Who’s there?
Chick.
Chick who?
Chick this cake out, it’s awesome!
7. Knock, knock!
Who’s there?
Doughnut.
Doughnut who?
Doughnut forget to make a wish!
8. Knock, knock!
Who’s there?
Jelly.
Jelly who?
Jelly would be great on that cake!
9. Knock, knock!
Who’s there?
Figs.
Figs who?
Figs your birthday cake if it takes too long!
10. Knock, knock!
Who’s there?
Boo.
Boo who?
Don’t cry, it’s your birthday!
11. Knock, knock!
Who’s there?
Cereal.
Cereal who?
Cereal-ously, let’s eat some cake!
12. Knock, knock!
Who’s there?
Butter.
Butter who?
Butter late than never to celebrate!
13. Knock, knock!
Who’s there?
Gorilla.
Gorilla who?
Gorilla me a birthday song!
14. Knock, knock!
Who’s there?
Cactus.
Cactus who?
Cactus birthday wishes to you!
15. Knock, knock!
Who’s there?
Marshmallow.
Marshmallow who?
Marshmallow let me in for the party!
16. Knock, knock!
Who’s there?
Lettuce.
Lettuce who?
Lettuce celebrate your special day!
17. Knock, knock!
Who’s there?
Biscuit.
Biscuit who?
Biscuit me some cake, please!
18. Knock, knock!
Who’s there?
Peas.
Peas who?
Peas tell me there’s cake!
19. Knock, knock!
Who’s there?
Wendy.
Wendy who?
Wendy you think we’ll get to the cake?
20. Knock, knock!
Who’s there?
Llama.
Llama who?
Llama your friends, it’s your birthday!
Punny Knock Knock Humor
1. Knock, knock!
Who’s there?
Wooden shoe.
Wooden shoe who?
Wooden shoe like to celebrate your birthday?
2. Knock, knock!
Who’s there?
Aisle.
Aisle who?
Aisle take you out for your birthday dinner!
3. Knock, knock!
Who’s there?
Daisy.
Daisy who?
Daisy me rolling with birthday cheer!
4. Knock, knock!
Who’s there?
Kanga.
Kanga who?
Kanga you believe it’s your birthday?
5. Knock, knock!
Who’s there?
Alpaca.
Alpaca who?
Alpaca the gifts for your birthday!
6. Knock, knock!
Who’s there?
Police.
Police who?
Police come out and party; it’s your birthday!
7. Knock, knock!
Who’s there?
Tank.
Tank who?
Tank goodness it’s your birthday!
8. Knock, knock!
Who’s there?
Wendy.
Wendy who?
Wendy we get to the cake?
9. Knock, knock!
Who’s there?
Peas.
Peas who?
Peas tell me you’re ready to party!
10. Knock, knock!
Who’s there?
Doughnut.
Doughnut who?
Doughnut forget to blow out the candles!
11. Knock, knock!
Who’s there?
Bear.
Bear who?
Bear with me; I’ve got a birthday surprise!
12. Knock, knock!
Who’s there?
Chick.
Chick who?
Chick out this awesome birthday cake!
13. Knock, knock!
Who’s there?
Tank.
Tank who?
Tank you for being you on your birthday!
14. Knock, knock!
Who’s there?
Balloon.
Balloon who?
Balloon your wishes come true this year!
15. Knock, knock!
Who’s there?
Atch.
Atch who?
Bless you! Now let’s eat cake!
16. Knock, knock!
Who’s there?
Boo.
Boo who?
Don’t cry; we’re here to celebrate!
17. Knock, knock!
Who’s there?
Nobel.
Nobel who?
Nobel… that’s why we’re throwing a party!
18. Knock, knock!
Who’s there?
Robin.
Robin who?
Robin you, now it’s time to celebrate!
19. Knock, knock!
Who’s there?
Lettuce.
Lettuce who?
Lettuce eat cake on your birthday!
20. Knock, knock!
Who’s there?
Hatch.
Hatch who?
Bless you! Now let’s get this party rolling!
Creative Themed Knock Knock Jokes
1. Knock, knock!
Who’s there?
Baker.
Baker who?
Baker you a cake, it’s a special day!
2. Knock, knock!
Who’s there?
Cake.
Cake who?
Cake another slice; it’s your birthday!
3. Knock, knock!
Who’s there?
Muhammad.
Muhammad who?
Muhammad you’re ready to party?
4. Knock, knock!
Who’s there?
Llama.
Llama who?
Llama tell you, it’s time to celebrate!
5. Knock, knock!
Who’s there?
Honeydew.
Honeydew who?
Honeydew you know it’s your birthday?
6. Knock, knock!
Who’s there?
Yacht.
Yacht who?
Yacht see all these decorations for your birthday!
7. Knock, knock!
Who’s there?
Daisy.
Daisy who?
Daisy me rolling out the cake!
8. Knock, knock!
Who’s there?
Tank.
Tank who?
Tank goodness it’s your birthday celebration!
9. Knock, knock!
Who’s there?
Butter.
Butter who?
Butter believe we’re having cake!
10. Knock, knock!
Who’s there?
Hatch.
Hatch who?
Hatch you’re glad we’re celebrating today!
11. Knock, knock!
Who’s there?
Curry.
Curry who?
Curry up and cut the cake!
12. Knock, knock!
Who’s there?
Peas.
Peas who?
Peas let the birthday fun begin!
13. Knock, knock!
Who’s there?
Sushi.
Sushi who?
Sushi glad it’s your special day!
14. Knock, knock!
Who’s there?
Pasta.
Pasta who?
Pasta the time, let’s celebrate!
15. Knock, knock!
Who’s there?
Whale.
Whale who?
Whale, it’s your birthday, let’s party!
16. Knock, knock!
Who’s there?
Ketchup.
Ketchup who?
Ketchup with everyone at the party!
17. Knock, knock!
Who’s there?
Penguin.
Penguin who?
Penguin need some cake over here!
18. Knock, knock!
Who’s there?
Tomato.
Tomato who?
Tomato everyone is waiting for you!
19. Knock, knock!
Who’s there?
Chili.
Chili who?
Chili-ly decorate your birthday cake!
20. Knock, knock!
Who’s there?
Scarecrow.
Scarecrow who?
Scarecrow you know it’s time to party?
Adult Birthday Knock Knock Jokes
1. Knock, knock!
Who’s there?
Taco.
Taco who?
Taco ‘bout an awesome birthday celebration!
2. Knock, knock!
Who’s there?
Juice.
Juice who?
Juice you’re happy it’s your birthday!
3. Knock, knock!
Who’s there?
Tequila.
Tequila who?
Tequila me, it’s time for your birthday shot!
4. Knock, knock!
Who’s there?
Bourbon.
Bourbon who?
Bourbon to celebrate your special day!
5. Knock, knock!
Who’s there?
Whiskey.
Whiskey who?
Whiskey you know it’s your birthday?
6. Knock, knock!
Who’s there?
Brew.
Brew who?
Brew you ready for some birthday fun?
7. Knock, knock!
Who’s there?
Lemon.
Lemon who?
Lemonade, it’s your birthday cocktail time!
8. Knock, knock!
Who’s there?
Rum.
Rum who?
Rum across the party, it’s your big day!
9. Knock, knock!
Who’s there?
Cider.
Cider who?
Cider you happy to see another birthday?
10. Knock, knock!
Who’s there?
Pint.
Pint who?
Pint of fun, ’cause it’s your birthday!
11. Knock, knock!
Who’s there?
Grapes.
Grapes who?
Grapes of fun are waiting for you!
12. Knock, knock!
Who’s there?
Margarita.
Margarita who?
Margarita you glad it’s your birthday?
13. Knock, knock!
Who’s there?
Ale.
Ale who?
Ale yours is a fantastic birthday party!
14. Knock, knock!
Who’s there?
Froth.
Froth who?
Froth your birthday wishes come true!
15. Knock, knock!
Who’s there?
Cork.
Cork who?
Cork it up, it’s time to celebrate!
16. Knock, knock!
Who’s there?
Fizzy.
Fizzy who?
Fizzy lifting drinks for your birthday?
17. Knock, knock!
Who’s there?
Check.
Check who?
Check out the birthday fun we’re having!
18. Knock, knock!
Who’s there?
Chardonnay.
Chardonnay who?
Chardonnay the reason to party today!
19. Knock, knock!
Who’s there?
Sommelier.
Sommelier who?
Sommelier what you want for your birthday!
20. Knock, knock!
Who’s there?
Bubbly.
Bubbly who?
Bubbly everyone is here to celebrate you!
Knock Knock Jokes for Parties
1. Knock, knock!
Who’s there?
Confetti.
Confetti who?
Confetti you believe it’s your birthday party?
2. Knock, knock!
Who’s there?
Picnic.
Picnic who?
Picnic a good spot for the birthday party!
3. Knock, knock!
Who’s there?
Gifts.
Gifts who?
Gifts galore, it’s your special day!
4. Knock, knock!
Who’s there?
Party.
Party who?
Party on, it’s your birthday celebration!
5. Knock, knock!
Who’s there?
DJ.
DJ who?
DJ you want to dance at your birthday?
6. Knock, knock!
Who’s there?
Balloons.
Balloons who?
Balloons will lift your spirits today!
7. Knock, knock!
Who’s there?
Pinata.
Pinata who?
Pinata than ever, let’s get started!
8. Knock, knock!
Who’s there?
Games.
Games who?
Games galore, let’s make memories on your birthday!
9. Knock, knock!
Who’s there?
Bubbly.
Bubbly who?
Bubbly are the birthday drinks this year!
10. Knock, knock!
Who’s there?
Karaoke.
Karaoke who?
Karaoke you believe it’s your birthday?
11. Knock, knock!
Who’s there?
Cheers.
Cheers who?
Cheers to you on your special day!
12. Knock, knock!
Who’s there?
Sweets.
Sweets who?
Sweets are ready, let’s dig in!
13. Knock, knock!
Who’s there?
Chips.
Chips who?
Chips and salsa for the party, let’s go!
14. Knock, knock!
Who’s there?
Candle.
Candle who?
Candle we get the cake now, please?
15. Knock, knock!
Who’s there?
Spices.
Spices who?
Spices make everything better at a birthday!
16. Knock, knock!
Who’s there?
Laughter.
Laughter who?
Laughter is the best gift for your birthday!
17. Knock, knock!
Who’s there?
Fun.
Fun who?
Fun’s always welcome at your birthday bash!
18. Knock, knock!
Who’s there?
Surprise.
Surprise who?
Surprise! It’s a birthday party for you!
19. Knock, knock!
Who’s there?
Slippers.
Slippers who?
Slippers are perfect for dancing at your party!
20. Knock, knock!
Who’s there?
Spirit.
Spirit who?
Spirit up for a fantastic birthday celebration!
Interactive Knock Knock Games
1. Knock, knock!
Who’s there?
Game.
Game who?
Game on for an epic birthday party!
2. Knock, knock!
Who’s there?
Cake.
Cake who?
Cake me out to celebrate, it’s your birthday!
3. Knock, knock!
Who’s there?
Streamers.
Streamers who?
Streamers are flying high for your special day!
4. Knock, knock!
Who’s there?
Disco.
Disco who?
Disco the music, it’s time to dance!
5. Knock, knock!
Who’s there?
Open.
Open who?
Open the door to birthday fun!
6. Knock, knock!
Who’s there?
Timer.
Timer who?
Timer for party games, let’s play!
7. Knock, knock!
Who’s there?
Decorations.
Decorations who?
Decorations are up, let’s start the party!
8. Knock, knock!
Who’s there?
Bubbles.
Bubbles who?
Bubbles of joy on your big day!
9. Knock, knock!
Who’s there?
Soda.
Soda who?
Soda-licious drinks to toast your birthday!
10. Knock, knock!
Who’s there?
Team.
Team who?
Team up for fun—it’s your birthday!
11. Knock, knock!
Who’s there?
Musical.
Musical who?
Musical chairs ready for your birthday bash!
12. Knock, knock!
Who’s there?
Flash.
Flash who?
Flash those smiles, it’s time to celebrate!
13. Knock, knock!
Who’s there?
Chill.
Chill who?
Chill out, it’s the best birthday ever!
14. Knock, knock!
Who’s there?
Joy.
Joy who?
Joy to the world, it’s your birthday!
15. Knock, knock!
Who’s there?
Dough.
Dough who?
Dough you want to have some fun?
16. Knock, knock!
Who’s there?
Ball.
Ball who?
Ball in for a great time at your party!
17. Knock, knock!
Who’s there?
Party.
Party who?
Party hats are ready, let’s celebrate!
18. Knock, knock!
Who’s there?
Kiss.
Kiss who?
Kiss the day, it’s your special birthday!
19. Knock, knock!
Who’s there?
Pixie.
Pixie who?
Pixie dust for a magical birthday!
20. Knock, knock!
Who’s there?
Rad.
Rad who?
Rad to the max, it’s your birthday party!
Tips for Delivering Knock Knock Jokes
1. Knock, knock!
Who’s there?
Joke.
Joke who?
Joke’s on you if you don’t laugh at this!
2. Knock, knock!
Who’s there?
Stage.
Stage who?
Stage fright? Just let it out with a joke!
3. Knock, knock!
Who’s there?
Bored.
Bored who?
Bored to tears? Here’s a joke to cheer you up!
4. Knock, knock!
Who’s there?
Think.
Think who?
Think quick, the punchline’s coming up!
5. Knock, knock!
Who’s there?
Lettuce.
Lettuce who?
Lettuce tell a fantastic joke!
6. Knock, knock!
Who’s there?
Wendy.
Wendy who?
Wendy I tell a joke, you’ll laugh!
7. Knock, knock!
Who’s there?
Honey.
Honey who?
Honey, I’ve got a good joke for you!
8. Knock, knock!
Who’s there?
Bear.
Bear who?
Bear with me while I think of a funny punchline!
9. Knock, knock!
Who’s there?
Cow says.
Cow says who?
Cow says it’s time for a good laugh!
10. Knock, knock!
Who’s there?
Boo.
Boo who?
Boo a little louder, it’s almost punchline time!
11. Knock, knock!
Who’s there?
Shark.
Shark who?
Shark your jokes up; let’s make this fun!
12. Knock, knock!
Who’s there?
Nobel.
Nobel who?
Nobel, that’s why I knocked!
13. Knock, knock!
Who’s there?
Hatch.
Hatch who?
Hatch you ready for another joke?
14. Knock, knock!
Who’s there?
Olive.
Olive who?
Olive you, and so does laughter!
15. Knock, knock!
Who’s there?
Lemon.
Lemon who?
Lemonade’s ready, now for the punchline!
16. Knock, knock!
Who’s there?
Orange.
Orange who?
Orange you glad I told you a joke?
17. Knock, knock!
Who’s there?
Taco.
Taco who?
Taco ‘bout a great time for jokes!
18. Knock, knock!
Who’s there?
Doctor.
Doctor who?
Doctor’s orders: let’s laugh more!
19. Knock, knock!
Who’s there?
Tank.
Tank who?
You’re welcome, now let’s get back to the jokes!
20. Knock, knock!
Who’s there?
Waffle.
Waffle who?
Waffle you waiting for? Time for jokes!