Birthdays are meant for laughter, cake, and the kind of jokes that make everyone grin—even if they groan a little first. Knock-knock jokes are the champions of simple humor; they’re quick, punny, and always a hit at parties. Whether you’re surprising your best friend, teasing your sibling, or sending giggles in a birthday card, these birthday-themed knock-knock jokes are guaranteed to bring smiles to the celebration. So, get ready to laugh until you blow out the candles—here are over 80 of the happiest birthday knock-knock jokes ever told!

80+ Happy Birthday Knock Knock Jokes to Make You Laugh Out Loud

Classic Birthday Knock Knock Jokes

1. Knock knock. Who’s there? Abby. Abby who? Abby birthday to you!

2. Knock knock. Who’s there? Wanda. Wanda who? Wanda wish you a happy birthday!

3. Knock knock. Who’s there? Ice cream. Ice cream who? Ice cream happy birthday every year for you!

4. Knock knock. Who’s there? Lettuce. Lettuce who? Lettuce celebrate your birthday!

5. Knock knock. Who’s there? Cow says. Cow says who? Cow says happy birthday, moo-ve over for cake!

6. Knock knock. Who’s there? Luke. Luke who? Luke who’s another year older!

7. Knock knock. Who’s there? Howard. Howard who? Howard you like some birthday cake?

8. Knock knock. Who’s there? Honey bee. Honey bee who? Honey bee-lieve it’s your birthday!

9. Knock knock. Who’s there? Butter. Butter who? Butter blow out those candles!

10. Knock knock. Who’s there? Wood. Wood who? Wood you like some cake?

Sweet and Silly Birthday Jokes

11. Knock knock. Who’s there? Candice. Candice who? Candice birthday party get any better?

12. Knock knock. Who’s there? Berry. Berry who? Berry happy birthday to you!

13. Knock knock. Who’s there? Donut. Donut who? Donut forget to make a birthday wish!

14. Knock knock. Who’s there? Pie. Pie who? Pie hope your birthday’s as sweet as you!

15. Knock knock. Who’s there? Icing. Icing who? Icing you a happy birthday tune!

16. Knock knock. Who’s there? Chip. Chip who? Chip, chip hooray, it’s your birthday!

17. Knock knock. Who’s there? Cookie. Cookie who? Cookie-tastic birthday wishes for you!

18. Knock knock. Who’s there? Cream. Cream who? Cream big, it’s your birthday!

19. Knock knock. Who’s there? Sprinkle. Sprinkle who? Sprinkle some fun on your birthday!

20. Knock knock. Who’s there? Candy. Candy who? Candy wait to party?

Funny Food Birthday Jokes

21. Knock knock. Who’s there? Olive. Olive who? Olive your birthday party!

22. Knock knock. Who’s there? Taco. Taco who? Taco ‘bout your birthday bash!

23. Knock knock. Who’s there? Mayo. Mayo who? Mayo your birthday be amazing!

24. Knock knock. Who’s there? Pea. Pea who? Pea-lieve me, you’re getting older!

25. Knock knock. Who’s there? Cheese. Cheese who? Cheese the birthday star today!

26. Knock knock. Who’s there? Bread. Bread who? Bread-y or not, here comes the cake!

27. Knock knock. Who’s there? Muffin. Muffin who? Muffin but love on your special day!

28. Knock knock. Who’s there? Pudding. Pudding who? Pudding candles on your cake!

29. Knock knock. Who’s there? Jelly. Jelly who? Jelly good birthday to you!

30. Knock knock. Who’s there? Coffee. Coffee who? Coffee loves your birthday morning!

Cheerful Birthday Surprises

31. Knock knock. Who’s there? Nat. Nat who? Nat another year older!

32. Knock knock. Who’s there? Ben. Ben who? Ben waiting all year for your birthday!

33. Knock knock. Who’s there? Luke. Luke who? Luke at you growing up!

34. Knock knock. Who’s there? Harry. Harry who? Harry up and open your presents!

35. Knock knock. Who’s there? Finn. Finn who? Finn-ished with the birthday song yet?

36. Knock knock. Who’s there? Noah. Noah who? Noah another great year ahead for you!

37. Knock knock. Who’s there? Al. Al who? Al give you birthday hugs later!

38. Knock knock. Who’s there? Ella. Ella who? Ella-brate good times, come on!

39. Knock knock. Who’s there? Dee. Dee who? Dee best birthday wishes to you!

40. Knock knock. Who’s there? Boo. Boo who? Don’t cry, it’s your birthday!

Birthday Blast Jokes for Everyone

41. Knock knock. Who’s there? Hope. Hope who? Hope your birthday is everything you wished!

42. Knock knock. Who’s there? Bright. Bright who? Bright lights, birthday night!

43. Knock knock. Who’s there? Sky. Sky who? Sky’s the limit on your birthday!

44. Knock knock. Who’s there? Breeze. Breeze who? Breeze yourself, another candle’s coming!

45. Knock knock. Who’s there? Star. Star who? Star-t celebrating already!

46. Knock knock. Who’s there? Glow. Glow who? Glow ahead—it’s your special day!

47. Knock knock. Who’s there? Shine. Shine who? Shine bright like birthday candles!

48. Knock knock. Who’s there? Flash. Flash who? Flash your best birthday smile!

49. Knock knock. Who’s there? Light. Light who? Light those candles, birthday bright!

50. Knock knock. Who’s there? Day. Day who? Day’s all about you!

Birthday Party-Fun Jokes

51. Knock knock. Who’s there? Party. Party who? Party on, birthday champion!

52. Knock knock. Who’s there? Fun. Fun who? Fun for you on your big day!

53. Knock knock. Who’s there? Giggle. Giggle who? Giggle ready—it’s birthday time!

54. Knock knock. Who’s there? Chuckle. Chuckle who? Chuckle the cake before anyone else does!

55. Knock knock. Who’s there? Bash. Bash who? Bash out happy dances—birthday style!

56. Knock knock. Who’s there? Smile. Smile who? Smile, it’s your shining day!

57. Knock knock. Who’s there? Happy. Happy who? Happy you’re the birthday person!

58. Knock knock. Who’s there? Present. Present who? Present yourself—it’s cake time!

59. Knock knock. Who’s there? Gift. Gift who? Gift ready for some laughter!

60. Knock knock. Who’s there? Cheers. Cheers who? Cheers to your next amazing year!

Birthday Puns to Make You Groan

61. Knock knock. Who’s there? Candle. Candle who? Candle tell me your wish?

62. Knock knock. Who’s there? Frosting. Frosting who? Frosting you a happy birthday!

63. Knock knock. Who’s there? Cherry. Cherry who? Cherry ‘bout your special day!

64. Knock knock. Who’s there? Mint. Mint who? Mint to wish you a happy birthday!

65. Knock knock. Who’s there? Jellybean. Jellybean who? Jellybean wishing you smiles!

66. Knock knock. Who’s there? Cake. Cake who? Cake it easy—it’s your birthday!

67. Knock knock. Who’s there? Slice. Slice who? Slice, slice, baby—it’s cake time!

68. Knock knock. Who’s there? Roll. Roll who? Roll out the birthday fun!

69. Knock knock. Who’s there? Doughnut. Doughnut who? Doughnut forget my present!

70. Knock knock. Who’s there? Sugar. Sugar who? Sugar sweet, birthday treat!

Creative Birthday Knock Knock Lines

71. Knock knock. Who’s there? Candles. Candles who? Candles light up your happy face!

72. Knock knock. Who’s there? Wrap. Wrap who? Wrap up another great year!

73. Knock knock. Who’s there? Pop. Pop who? Pop the confetti—it’s celebration time!

74. Knock knock. Who’s there? Zoom. Zoom who? Zoom in for a birthday selfie!

75. Knock knock. Who’s there? Cakepop. Cakepop who? Cakepop you’re looking amazing!

76. Knock knock. Who’s there? Cupcake. Cupcake who? Cupcake the best birthday ever!

77. Knock knock. Who’s there? Toast. Toast who? Toast you a wonderful birthday!

78. Knock knock. Who’s there? Fizz. Fizz who? Fizz the happiest birthday ever!

79. Knock knock. Who’s there? Wish. Wish who? Wish upon every candle!

80. Knock knock. Who’s there? Balloon. Balloon who? Balloon up the party fun!

81. Knock knock. Who’s there? Blessing. Blessing who? Blessing your year with joy!

82. Knock knock. Who’s there? Sparkle. Sparkle who? Sparkle bright on your birthday night!

83. Knock knock. Who’s there? Glowstick. Glowstick who? Glowstick your way to fun!

84. Knock knock. Who’s there? Flame. Flame who? Flame-ing fun birthday coming up!

85. Knock knock. Who’s there? Popcorn. Popcorn who? Popcorn to the birthday movie!

Conclusion

From silly puns to food-filled giggles, these 80+ happy birthday knock-knock jokes are perfect for adding humor to anyone’s celebration. Tell them at a party, write them in cards, or sneak them into text messages. Birthdays only come once a year, but laughter like this can make memories that last a lifetime. So knock, giggle, and cheer—the funniest birthday starts right here.

Happy birthday and happy laughing!