320+ Knock Knock Birthday Jokes (Funny & Cheesy) for 2026 🎉

Knock Knock Birthday Jokes are the ultimate way to turn any ordinary party into a full-on laugh fest. 🎉

If you’re planning a celebration and want something funny, light, and instantly shareable, you’re in the right place.

If you’re surprising your bestie, roasting your sibling, or posting a hilarious caption for Instagram, these jokes hit different.

Let’s be real — Gen Z loves quick humor. Short. Snappy. Screenshot-worthy. And that’s exactly what you’ll find here. No cringe. Just pure birthday vibes and punchlines that actually land.

Keep scrolling… the next knock might just be your favorite one. 🚪✨

Short Knock Knock Birthday Jokes for Adults

Perfect for quick laughs, party greetings, or social media captions, these short knock knock birthday jokes for adults are witty, concise, and fun.

Knock, knock. Who’s there? Ben. Ben who? Ben waiting all year for this party
Knock, knock. Who’s there? Al. Al who? Al drink to your birthday tonight
Knock, knock. Who’s there? Sue. Sue who? Sue better save me some cake
Knock, knock. Who’s there? Herb. Herb who? Herb your birthday wish coming true
Knock, knock. Who’s there? Moe. Moe who? Moe candles, moe fun
Knock, knock. Who’s there? Ella. Ella who? Ella-brate good times
Knock, knock. Who’s there? Bill. Bill who? Bill-ieve it or not, you’re older
Knock, knock. Who’s there? Stan. Stan who? Stan back and enjoy your party
Knock, knock. Who’s there? Donut. Donut who? Donut forget it’s your big day
Knock, knock. Who’s there? Luke. Luke who? Luke who’s leveling up today
Knock, knock. Who’s there? Barb. Barb who? Barb-ecue and birthday fun
Knock, knock. Who’s there? May. May who? May all your wishes come true
Knock, knock. Who’s there? Watt. Watt who? Watt a birthday legend
Knock, knock. Who’s there? Joy. Joy who? Joy to your birthday world
Knock, knock. Who’s there? Cheers. Cheers who? Cheers to another amazing year

Knock Knock Birthday Jokes for Kids

These kid-friendly knock knock birthday jokes are perfect for classroom parties, family fun, or young friends.

Knock, knock. Who’s there? Boo. Boo who? Don’t cry, it’s your birthday
Knock, knock. Who’s there? Teddy. Teddy who? Teddy bear hugs for your birthday
Knock, knock. Who’s there? Ice. Ice who? Ice cream and cake for you
Knock, knock. Who’s there? Dino. Dino who? Dino-mite birthday party
Knock, knock. Who’s there? Candy. Candy who? Candy wait to eat cake
Knock, knock. Who’s there? Party. Party who? Party animal birthday star
Knock, knock. Who’s there? Sunny. Sunny who? Sunny days for your birthday
Knock, knock. Who’s there? Bee. Bee who? Bee happy, it’s your big day
Knock, knock. Who’s there? Star. Star who? Star of the birthday show
Knock, knock. Who’s there? Blue. Blue who? Blue balloons just for you
Knock, knock. Who’s there? Fairy. Fairy who? Fairy special birthday wishes
Knock, knock. Who’s there? Rocket. Rocket who? Rocket into another awesome year
Knock, knock. Who’s there? Giggle. Giggle who? Giggle your way to cake
Knock, knock. Who’s there? Magic. Magic who? Magic moments on your birthday
Knock, knock. Who’s there? Smile. Smile who? Smile big, birthday kid

Knock Knock Birthday Jokes for Friends & Adults

These funny adult jokes work for friends, coworkers, and partners — perfect for cards, social media, or party roasts.

Knock, knock. Who’s there? Aging. Aging who? Aging like fine wine
Knock, knock. Who’s there? Cash. Cash who? Cash me celebrating tonight
Knock, knock. Who’s there? Wise. Wise who? Wise choice surviving another year
Knock, knock. Who’s there? Glow. Glow who? Glow up birthday edition
Knock, knock. Who’s there? Chill. Chill who? Chill, you’re still fabulous
Knock, knock. Who’s there? Cake. Cake who? Cake it easy today
Knock, knock. Who’s there? Bold. Bold who? Bold of you to age publicly
Knock, knock. Who’s there? Sip. Sip who? Sip happens on birthdays
Knock, knock. Who’s there? Drama. Drama who? Drama-free birthday vibes
Knock, knock. Who’s there? Extra. Extra who? Extra candles this year
Knock, knock. Who’s there? Queen. Queen who? Queen of birthday glam
Knock, knock. Who’s there? Party. Party who? Party responsibly… maybe
Knock, knock. Who’s there? Fine. Fine who? Fine and still shining
Knock, knock. Who’s there? Wrinkle. Wrinkle who? Wrinkle little star
Knock, knock. Who’s there? Cheers. Cheers who? Cheers to leveling up

Knock Knock Birthday Jokes One Liners

Quick, punchy, and perfect for texts, cards, and captions:

Knock, knock. Who’s there? Cake. Cake who? Cake my day, it’s my birthday
Knock, knock. Who’s there? Wish. Wish who? Wish you more cake
Knock, knock. Who’s there? Glow. Glow who? Glow big or go home
Knock, knock. Who’s there? Candles. Candles who? Candles cost extra now
Knock, knock. Who’s there? Boom. Boom who? Boom, another year cooler
Knock, knock. Who’s there? Sparkle. Sparkle who? Sparkle like birthday glitter
Knock, knock. Who’s there? Gift. Gift who? Gift ready for surprises
Knock, knock. Who’s there? Bash. Bash who? Bash-ing birthday vibes
Knock, knock. Who’s there? Lit. Lit who? Lit candles, lit party
Knock, knock. Who’s there? King. King who? King of cake today
Knock, knock. Who’s there? Pop. Pop who? Pop the balloons
Knock, knock. Who’s there? Fire. Fire who? Fire up the candles
Knock, knock. Who’s there? Smile. Smile who? Smile, it’s selfie time
Knock, knock. Who’s there? Confetti. Confetti who? Confetti ready for fun
Knock, knock. Who’s there? Surprise. Surprise who? Surprise party legend

Birthday Puns Knock Knock Birthday Jokes

Pun lovers rejoice — these clever wordplay jokes add a witty twist:

Knock, knock. Who’s there? Al. Al who? Al-ways young at heart
Knock, knock. Who’s there? Barry. Barry who? Barry excited for cake
Knock, knock. Who’s there? Pearl. Pearl who? Pearl-fect birthday vibes
Knock, knock. Who’s there? Paige. Paige who? Paige turning to a new chapter
Knock, knock. Who’s there? Chip. Chip who? Chip chip hooray
Knock, knock. Who’s there? Ray. Ray who? Ray of birthday sunshine
Knock, knock. Who’s there? Hope. Hope who? Hope you party hard
Knock, knock. Who’s there? Joy. Joy who? Joy to your birthday world
Knock, knock. Who’s there? Gail. Gail who? Gail-ing into another year
Knock, knock. Who’s there? Lynn. Lynn who? Lynn-ing up the cake
Knock, knock. Who’s there? Pat. Pat who? Pat yourself on the back
Knock, knock. Who’s there? Sunny. Sunny who? Sunny side up birthday
Knock, knock. Who’s there? Art. Art who? Art you ready to party
Knock, knock. Who’s there? Ty. Ty who? Ty-riffic birthday fun
Knock, knock. Who’s there? Bea. Bea who? Bea-utiful birthday queen

Funny Jokes Knock Knock Birthday Jokes

Guaranteed to get laughter at any birthday celebration:

Knock, knock. Who’s there? Old. Old who? Old enough for more cake
Knock, knock. Who’s there? Memory. Memory who? Memory loss starts today
Knock, knock. Who’s there? Gym. Gym who? Gym-possible after birthday cake
Knock, knock. Who’s there? Diet. Diet who? Diet starts tomorrow
Knock, knock. Who’s there? Selfie. Selfie who? Selfie time birthday star
Knock, knock. Who’s there? Credit. Credit who? Credit card for gifts
Knock, knock. Who’s there? Trend. Trend who? Trend-ing birthday vibes
Knock, knock. Who’s there? Noise. Noise who? Noise complaints incoming
Knock, knock. Who’s there? Frosting. Frosting who? Frosting overload today
Knock, knock. Who’s there? Calendar. Calendar who? Calendar can’t stop time
Knock, knock. Who’s there? Late. Late who? Late twenties again
Knock, knock. Who’s there? Nap. Nap who? Nap after cake
Knock, knock. Who’s there? Surprise. Surprise who? Surprise gray hair
Knock, knock. Who’s there? Mood. Mood who? Mood: party animal
Knock, knock. Who’s there? Party. Party who? Party like it’s your first birthday