Birthdays are all about laughter, surprises, and joy! Our handpicked collection of birthday knock knock jokes will make everyone kids and adults alike giggle, chuckle, and even snort. From quick one-liners to age-specific humor, these jokes are perfect for parties, cards, or sharing over video calls. Let’s get ready to celebrate with a hearty dose of humor! Children’s Knock Knock Jokes
Happy Birthday Knock Knock Jokes
• Knock, knock.
Who’s there?
Cake.
Cake who?
Cake you believe it’s your birthday today?
• Knock, knock.
Who’s there?
Party.
Party who?
Party all day long!
• Knock, knock.
Who’s there?
Balloon.
Balloon who?
Balloon-tastic birthday wishes!
• Knock, knock.
Who’s there?
Gift.
Gift who?
Gift you a laugh today!
• Knock, knock.
Who’s there?
Candles.
Candles who?
Candles you blow out?
• Knock, knock.
Who’s there?
Confetti.
Confetti who?
Confetti excited for your birthday?
• Knock, knock.
Who’s there?
Surprise.
Surprise who?
Surprise, it’s your birthday!
• Knock, knock.
Who’s there?
Cake-pop.
Cake-pop who?
Cake-pop you celebrate today?
• Knock, knock.
Who’s there?
Cheer.
Cheer who?
Cheer up, it’s your day!
• Knock, knock.
Who’s there?
Happy.
Happy who?
Happy you’re a year older!
😂 Laugh More: Knock Knock Jokes in Spanish
40th Birthday Knock Knock Jokes
Turning 40 doesn’t mean the fun stops these jokes are all about celebrating this milestone with laughter and joy! Knock Knock Jokes in Spanish
• Knock, knock.
Who’s there?
Forty.
Forty who?
Forty you glad it’s your birthday?
• Knock, knock.
Who’s there?
Cake.
Cake who?
Cake it easy, it’s your 40th!
• Knock, knock.
Who’s there?
Party.
Party who?
Party like you’re 40 today!
• Knock, knock.
Who’s there?
Surprise.
Surprise who?
Surprise, 40 looks good on you!
• Knock, knock.
Who’s there?
Gift.
Gift who?
Gift yourself a laugh!
• Knock, knock.
Who’s there?
Cheers.
Cheers who?
Cheers to 40 fabulous years!
• Knock, knock.
Who’s there?
Balloon.
Balloon who?
Balloon up the fun at 40!
• Knock, knock.
Who’s there?
Confetti.
Confetti who?
Confetti excited for your milestone birthday?
• Knock, knock.
Who’s there?
Laugh.
Laugh who?
Laugh your way through 40!
• Knock, knock.
Who’s there?
Time.
Time who?
Time flies, but 40 is still fun!
• Knock, knock.
Who’s there?
Memory.
Memory who?
Memory you’ve laughed all these years!
• Knock, knock.
Who’s there?
Cake-pop.
Cake-pop who?
Cake-pop you ready to party?
• Knock, knock.
Who’s there?
Fabulous.
Fabulous who?
Fabulous at 40, of course!
• Knock, knock.
Who’s there?
Fortune.
Fortune who?
Fortune favors the funny at 40!
• Knock, knock.
Who’s there?
Happiness.
Happiness who?
Happiness is 40 and fabulous!
• Knock, knock.
Who’s there?
Cheers-up.
Cheers-up who?
Cheers-up for 40 more years of fun!
• Knock, knock.
Who’s there?
Milestone.
Milestone who?
Milestone laughs for 40 years!
• Knock, knock.
Who’s there?
Golden.
Golden who?
Golden years start at 40!
• Knock, knock.
Who’s there?
Birthday-hat.
Birthday-hat who?
Birthday-hat ready for fun?
• Knock, knock.
Who’s there?
Laugh-o.
Laugh-o who?
Laugh-o your way through 40!
• Knock, knock.
Who’s there?
Cake-time.
Cake-time who?
Cake-time to celebrate!
• Knock, knock.
Who’s there?
Cheers-up.
Cheers-up who?
Cheers-up for 40th fun!
• Knock, knock.
Who’s there?
Surprise-happy.
Surprise-happy who?
Surprise-happy birthday!
• Knock, knock.
Who’s there?
Forty-fun.
Forty-fun who?
Forty-fun starts today!
• Knock, knock.
Who’s there?
Giggles.
Giggles who?
Giggles all the way at 40!
• Knock, knock.
Who’s there?
Confetti-pop.
Confetti-pop who?
Confetti-pop you ready to laugh?
• Knock, knock.
Who’s there?
Cake-slice.
Cake-slice who?
Cake-slice your birthday joy!
• Knock, knock.
Who’s there?
Jokes.
Jokes who?
Jokes on turning 40!
• Knock, knock.
Who’s there?
Party-time.
Party-time who?
Party-time starts now!
• Knock, knock.
Who’s there?
Fun.
Fun who?
Fun times at 40!
• Knock, knock.
Who’s there?
Cheers-day.
Cheers-day who?
Cheers-day for your big 4-0!
• Knock, knock.
Who’s there?
Milestone-laugh.
Milestone-laugh who?
Milestone-laugh all day long!
• Knock, knock.
Who’s there?
Forty-star.
Forty-star who?
Forty-star your birthday!
• Knock, knock.
Who’s there?
Golden-fun.
Golden-fun who?
Golden-fun starts now!
• Knock, knock.
Who’s there?
Birthday-happy.
Birthday-happy who?
Birthday-happy you’re 40!
• Knock, knock.
Who’s there?
Cake-fun.
Cake-fun who?
Cake-fun and laugh!
• Knock, knock.
Who’s there?
Forty-cheer.
Forty-cheer who?
Forty-cheer to celebrate!
• Knock, knock.
Who’s there?
Gift-fun.
Gift-fun who?
Gift-fun for your 40th!
• Knock, knock.
Who’s there?
Laughing-cake.
Laughing-cake who?
Laughing-cake all day long!
• Knock, knock.
Who’s there?
Fabulous-forty.
Fabulous-forty who?
Fabulous-forty starts now!
• Knock, knock.
Who’s there?
Surprise-laugh.
Surprise-laugh who?
Surprise-laugh for your birthday!
Knock Knock Birthday Jokes One Liners
• Knock, knock.
Who’s there?
Party.
Party who?
Party time, all the time!
• Knock, knock.
Who’s there?
Cake.
Cake who?
Cake it easy, it’s your day!
• Knock, knock.
Who’s there?
Gift.
Gift who?
Gift yourself a smile!
• Knock, knock.
Who’s there?
Balloon.
Balloon who?
Balloon up the fun!
• Knock, knock.
Who’s there?
Confetti.
Confetti who?
Confetti you excited yet?
• Knock, knock.
Who’s there?
Birthday.
Birthday who?
Birthday cheers to you!
• Knock, knock.
Who’s there?
Party-hat.
Party-hat who?
Party-hat ready to laugh?
• Knock, knock.
Who’s there?
Candles.
Candles who?
Candles you believe it’s your day?
• Knock, knock.
Who’s there?
Surprise.
Surprise who?
Surprise! It’s giggle time!
• Knock, knock.
Who’s there?
Cheers.
Cheers who?
Cheers to many more laughs!
😆 Ready for More? Awful Knock Knock Jokes
50th Birthday Knock Knock Jokes
Turning 50 is a milestone worth celebrating with laughter! These jokes are lighthearted, witty, and perfect for the big 5-0.
• Knock, knock.
Who’s there?
Fifty.
Fifty who?
Fifty you glad it’s your birthday today?
• Knock, knock.
Who’s there?
Cake.
Cake who?
Cake it easy, you’re 50 now!
• Knock, knock.
Who’s there?
Party.
Party who?
Party like it’s your 50th!
• Knock, knock.
Who’s there?
Cheers.
Cheers who?
Cheers to 50 fabulous years!
• Knock, knock.
Who’s there?
Gift.
Gift who?
Gift yourself a laugh!
• Knock, knock.
Who’s there?
Balloon.
Balloon who?
Balloon up the fun at 50!
• Knock, knock.
Who’s there?
Confetti.
Confetti who?
Confetti excited for your milestone?
• Knock, knock.
Who’s there?
Surprise.
Surprise who?
Surprise! You’re 50 today!
• Knock, knock.
Who’s there?
Cake-pop.
Cake-pop who?
Cake-pop ready to celebrate?
• Knock, knock.
Who’s there?
Golden.
Golden who?
Golden years start now!
• Knock, knock.
Who’s there?
Fortune.
Fortune who?
Fortune favors the funny at 50!
• Knock, knock.
Who’s there?
Happiness.
Happiness who?
Happiness is 50 and fabulous!
• Knock, knock.
Who’s there?
Birthday-hat.
Birthday-hat who?
Birthday-hat ready to party?
• Knock, knock.
Who’s there?
Fabulous.
Fabulous who?
Fabulous at 50, of course!
• Knock, knock.
Who’s there?
Laugh-o.
Laugh-o who?
Laugh-o your way through 50!
• Knock, knock.
Who’s there?
Cake-time.
Cake-time who?
Cake-time to celebrate!
• Knock, knock.
Who’s there?
Milestone.
Milestone who?
Milestone laughs for 50 years!
• Knock, knock.
Who’s there?
Cheers-up.
Cheers-up who?
Cheers-up for 50 more years of fun!
• Knock, knock.
Who’s there?
Golden-fun.
Golden-fun who?
Golden-fun starts now!
• Knock, knock.
Who’s there?
Giggles.
Giggles who?
Giggles all the way at 50!
• Knock, knock.
Who’s there?
Birthday-fun.
Birthday-fun who?
Birthday-fun starts today!
• Knock, knock.
Who’s there?
Time.
Time who?
Time flies, but 50 is still fun!
• Knock, knock.
Who’s there?
Memory.
Memory who?
Memory you’ve laughed all these years!
• Knock, knock.
Who’s there?
Party-time.
Party-time who?
Party-time starts now!
• Knock, knock.
Who’s there?
Cheers-day.
Cheers-day who?
Cheers-day for your big 5-0!
• Knock, knock.
Who’s there?
Confetti-pop.
Confetti-pop who?
Confetti-pop you ready to laugh?
• Knock, knock.
Who’s there?
Cake-slice.
Cake-slice who?
Cake-slice your birthday joy!
• Knock, knock.
Who’s there?
Fun.
Fun who?
Fun times at 50!
• Knock, knock.
Who’s there?
Golden-star.
Golden-star who?
Golden-star your birthday!
• Knock, knock.
Who’s there?
Surprise-laugh.
Surprise-laugh who?
Surprise-laugh for your birthday!
• Knock, knock.
Who’s there?
Fifty-fun.
Fifty-fun who?
Fifty-fun starts now!
• Knock, knock.
Who’s there?
Laughing-cake.
Laughing-cake who?
Laughing-cake all day long!
• Knock, knock.
Who’s there?
Gift-fun.
Gift-fun who?
Gift-fun for your 50th!
• Knock, knock.
Who’s there?
Cake-fun.
Cake-fun who?
Cake-fun and laugh!
• Knock, knock.
Who’s there?
Cheers-up.
Cheers-up who?
Cheers-up for 50th fun!
• Knock, knock.
Who’s there?
Golden-laugh.
Golden-laugh who?
Golden-laugh starts now!
• Knock, knock.
Who’s there?
Milestone-laugh.
Milestone-laugh who?
Milestone-laugh all day long!
• Knock, knock.
Who’s there?
Birthday-giggle.
Birthday-giggle who?
Birthday-giggle for your milestone!
80th Birthday Knock Knock Jokes
Hitting 80 is a milestone filled with wisdom, memories, and, of course, laughter! These jokes celebrate the big 8-0 with fun and lighthearted humor.
• Knock, knock.
Who’s there?
Eighty.
Eighty who?
Eighty you glad it’s your birthday?
• Knock, knock.
Who’s there?
Cake.
Cake who?
Cake it easy, you’re 80 today!
• Knock, knock.
Who’s there?
Party.
Party who?
Party like it’s your 80th!
• Knock, knock.
Who’s there?
Gift.
Gift who?
Gift yourself a smile today!
• Knock, knock.
Who’s there?
Cheers.
Cheers who?
Cheers to 80 fabulous years!
• Knock, knock.
Who’s there?
Balloon.
Balloon who?
Balloon up the fun at 80!
• Knock, knock.
Who’s there?
Confetti.
Confetti who?
Confetti excited for your milestone?
• Knock, knock.
Who’s there?
Surprise.
Surprise who?
Surprise! 80 looks amazing on you!
• Knock, knock.
Who’s there?
Laugh.
Laugh who?
Laugh your way through 80!
• Knock, knock.
Who’s there?
Memory.
Memory who?
Memory you’ve laughed all these years!
• Knock, knock.
Who’s there?
Golden.
Golden who?
Golden years start now!
• Knock, knock.
Who’s there?
Cake-pop.
Cake-pop who?
Cake-pop ready to celebrate?
• Knock, knock.
Who’s there?
Fabulous.
Fabulous who?
Fabulous at 80, of course!
• Knock, knock.
Who’s there?
Fortune.
Fortune who?
Fortune favors the funny at 80!
• Knock, knock.
Who’s there?
Birthday-hat.
Birthday-hat who?
Birthday-hat ready to party?
• Knock, knock.
Who’s there?
Party-time.
Party-time who?
Party-time starts now!
• Knock, knock.
Who’s there?
Cheers-up.
Cheers-up who?
Cheers-up for 80 more years of fun!
• Knock, knock.
Who’s there?
Milestone.
Milestone who?
Milestone laughs for 80 years!
• Knock, knock.
Who’s there?
Golden-fun.
Golden-fun who?
Golden-fun starts now!
• Knock, knock.
Who’s there?
Giggles.
Giggles who?
Giggles all the way at 80!
• Knock, knock.
Who’s there?
Fun.
Fun who?
Fun times at 80!
• Knock, knock.
Who’s there?
Cake-time.
Cake-time who?
Cake-time to celebrate!
• Knock, knock.
Who’s there?
Golden-star.
Golden-star who?
Golden-star your birthday!
• Knock, knock.
Who’s there?
Surprise-laugh.
Surprise-laugh who?
Surprise-laugh for your birthday!
• Knock, knock.
Who’s there?
Eighty-fun.
Eighty-fun who?
Eighty-fun starts now!
• Knock, knock.
Who’s there?
Laughing-cake.
Laughing-cake who?
Laughing-cake all day long!
• Knock, knock.
Who’s there?
Gift-fun.
Gift-fun who?
Gift-fun for your 80th!
• Knock, knock.
Who’s there?
Cake-fun.
Cake-fun who?
Cake-fun and laugh!
• Knock, knock.
Who’s there?
Golden-laugh.
Golden-laugh who?
Golden-laugh starts now!
• Knock, knock.
Who’s there?
Milestone-laugh.
Milestone-laugh who?
Milestone-laugh all day long!
• Knock, knock.
Who’s there?
Birthday-giggle.
Birthday-giggle who?
Birthday-giggle for your milestone!
• Knock, knock.
Who’s there?
Fun-star.
Fun-star who?
Fun-star your 80th birthday!
• Knock, knock.
Who’s there?
Cheers-day.
Cheers-day who?
Cheers-day for your big 8-0!
• Knock, knock.
Who’s there?
Surprise-pop.
Surprise-pop who?
Surprise-pop you ready to laugh?
• Knock, knock.
Who’s there?
Cake-slice.
Cake-slice who?
Cake-slice your birthday joy!
• Knock, knock.
Who’s there?
Fun-giggle.
Fun-giggle who?
Fun-giggle all the way!
• Knock, knock.
Who’s there?
Golden-fun.
Golden-fun who?
Golden-fun birthday time!
• Knock, knock.
Who’s there?
Party-cheer.
Party-cheer who?
Party-cheer for your 80th!
• Knock, knock.
Who’s there?
Gift-laugh.
Gift-laugh who?
Gift-laugh for your milestone!
• Knock, knock.
Who’s there?
Birthday-star.
Birthday-star who?
Birthday-star of the day!
✨ Want More Laughs? Poop Knock Knock Jokes
Birthday Knock Knock Jokes for Adults
Adult birthdays deserve a mix of clever, witty, and sometimes cheeky humor. These knock knock jokes are perfect for friends, coworkers, or parties where grown-ups want to laugh out loud.
• Knock, knock.
Who’s there?
Wine.
Wine who?
Wine not celebrate your birthday with a laugh?
• Knock, knock.
Who’s there?
Aged.
Aged who?
Aged to perfection, just like you!
• Knock, knock.
Who’s there?
Surprise.
Surprise who?
Surprise! You’re officially older today!
• Knock, knock.
Who’s there?
Cheers.
Cheers who?
Cheers to another year of fun!
• Knock, knock.
Who’s there?
Cake.
Cake who?
Cake me outside, it’s party time!
• Knock, knock.
Who’s there?
Fifty.
Fifty who?
Fifty shades of birthday fun!
• Knock, knock.
Who’s there?
Party.
Party who?
Party hard, it’s your day!
• Knock, knock.
Who’s there?
Gift.
Gift who?
Gift yourself a laugh today!
• Knock, knock.
Who’s there?
Laugh.
Laugh who?
Laugh all the way through your birthday!
• Knock, knock.
Who’s there?
Happy.
Happy who?
Happy birthday to you!
• Knock, knock.
Who’s there?
Confetti.
Confetti who?
Confetti excited to celebrate with you?
• Knock, knock.
Who’s there?
Drink.
Drink who?
Drink up, it’s your special day!
• Knock, knock.
Who’s there?
Fortune.
Fortune who?
Fortune favors the fun at your birthday!
• Knock, knock.
Who’s there?
Golden.
Golden who?
Golden years start now!
• Knock, knock.
Who’s there?
Surprise-pop.
Surprise-pop who?
Surprise-pop you ready to laugh?
• Knock, knock.
Who’s there?
Cake-pop.
Cake-pop who?
Cake-pop you ready to party?
• Knock, knock.
Who’s there?
Adult.
Adult who?
Adulting can wait, it’s your birthday!
• Knock, knock.
Who’s there?
Cheers-up.
Cheers-up who?
Cheers-up for another fun year!
• Knock, knock.
Who’s there?
Fabulous.
Fabulous who?
Fabulous you made it to another birthday!
• Knock, knock.
Who’s there?
Gift-fun.
Gift-fun who?
Gift-fun for your adult celebration!
• Knock, knock.
Who’s there?
Birthday-hat.
Birthday-hat who?
Birthday-hat ready to laugh?
• Knock, knock.
Who’s there?
Cake-slice.
Cake-slice who?
Cake-slice your birthday joy!
• Knock, knock.
Who’s there?
Party-time.
Party-time who?
Party-time starts now!
• Knock, knock.
Who’s there?
Golden-fun.
Golden-fun who?
Golden-fun birthday time!
• Knock, knock.
Who’s there?
Laughing-cake.
Laughing-cake who?
Laughing-cake all day long!
• Knock, knock.
Who’s there?
Confetti-pop.
Confetti-pop who?
Confetti-pop you ready to celebrate?
• Knock, knock.
Who’s there?
Cheers-day.
Cheers-day who?
Cheers-day for your big day!
• Knock, knock.
Who’s there?
Fun.
Fun who?
Fun times all birthday long!
• Knock, knock.
Who’s there?
Birthday-star.
Birthday-star who?
Birthday-star of the party!
• Knock, knock.
Who’s there?
Cake-fun.
Cake-fun who?
Cake-fun and laugh all day!
• Knock, knock.
Who’s there?
Gift-laugh.
Gift-laugh who?
Gift-laugh for your birthday!
• Knock, knock.
Who’s there?
Golden-laugh.
Golden-laugh who?
Golden-laugh starts now!
• Knock, knock.
Who’s there?
Milestone-laugh.
Milestone-laugh who?
Milestone-laugh all day long!
• Knock, knock.
Who’s there?
Surprise-laugh.
Surprise-laugh who?
Surprise-laugh for your adult celebration!
• Knock, knock.
Who’s there?
Fun-star.
Fun-star who?
Fun-star your special day!
• Knock, knock.
Who’s there?
Birthday-giggle.
Birthday-giggle who?
Birthday-giggle for your milestone!
Conclusion:
These birthday knock knock jokes are perfect for every age from 1-year-old to 80 and beyond. With funny one-liners, milestone-specific jokes, and adult humor, there’s something for everyone to giggle at. Keep these jokes handy for parties, cards, or virtual celebrations, and make birthdays a time for laughter, joy, and unforgettable fun!
🎉 Can You Handle More? Knock Knock Owl Jokes