🚪 Who’s There? 51 Brand-New Knock-Knock Jokes to Make the Whole Family Laugh

Laughter at the Doorstep—Because Dad Jokes Always Get In

There’s something timeless about a knock-knock joke.
Maybe it’s the rhythm. Maybe it’s the predictability.
Maybe it’s the fact that no matter how many times you hear one, kids still crack up like it’s the funniest thing on the planet.

So whether you’re stuck in a traffic jam, waiting for dinner, or trying to out-giggle your kids at bedtime, here are 51 totally new knock-knock jokes to open the door to family fun.

🧃 Silly & Snackable Starters

1. Knock knock.
   Who’s there?
   Lettuce.
   Lettuce who?
   Lettuce in, it’s freezing out here!

2. Knock knock.
   Who’s there?
   Banana split.
   Banana split who?
   Banana split before I could finish the joke!

3. Knock knock.
   Who’s there?
   Cheese.
   Cheese who?
   Cheese a funny one, that dad of yours!

4. Knock knock.
   Who’s there?
   Butter.
   Butter who?
   Butter open this door before I melt!

5. Knock knock.
   Who’s there?
   Peas.
   Peas who?
   Peas stop with the questions and open the door!

🦸‍♂️ Superhero Silliness

6. Knock knock.
   Who’s there?
   Batman.
   Batman who?
   Batman up the tree, get me a ladder!

7. Knock knock.
   Who’s there?
   Hulk.
   Hulk who?
   Hulk SMASH…your bedtime routine!

8. Knock knock.
   Who’s there?
   Spider.
   Spider who?
   Spider no reason, I just wanted to swing by.

9. Knock knock.
   Who’s there?
   Thor.
   Thor who?
   Thor legs are tired from running around all day!

10. Knock knock.
    Who’s there?
    Groot.
    Groot who?
    Groot tootin’, that wasn’t me!

🛏️ Bedtime Belly Laughs

11. Knock knock.
    Who’s there?
    Yawn.
    Yawn who?
    Yawn know it’s time for bed, right?

12. Knock knock.
    Who’s there?
    Pillow.
    Pillow who?
    Pillow you a bedtime story if you let me in!

13. Knock knock.
    Who’s there?
    Snooze.
    Snooze who?
    Snooze your chance to laugh, I’m outta here!

14. Knock knock.
    Who’s there?
    Pajamas.
    Pajamas who?
    Pajamas little too small now, Dad.

15. Knock knock.
    Who’s there?
    Alarm.
    Alarm who?
    Alarm so glad you’re still awake!

🚗 Road Trip Rippers

16. Knock knock.
    Who’s there?
    Europe.
    Europe who?
    No, YOU’RE a poo!

17. Knock knock.
    Who’s there?
    Engine.
    Engine who?
    Engine you glad I brought snacks?

18. Knock knock.
    Who’s there?
    Radio.
    Radio who?
    Radio not, here I come!

19. Knock knock.
    Who’s there?
    Car-go.
    Car-go who?
    Car-go beep beep, vroom vroom!

20. Knock knock.
    Who’s there?
    Seatbelt.
    Seatbelt who?
    Seatbelt up, we’re going full dad speed!

🧠 School-Day Chuckles

21. Knock knock.
    Who’s there?
    Pencil.
    Pencil who?
    Pencil fall down if you don’t hold it!

22. Knock knock.
    Who’s there?
    Chalk.
    Chalk who?
    Chalk it up to another dad joke win!

23. Knock knock.
    Who’s there?
    Spelling.
    Spelling who?
    S-P-E-L-L-I-N-G. You asked!

24. Knock knock.
    Who’s there?
    History.
    History who?
    History class is behind us—open the door!

25. Knock knock.
    Who’s there?
    Grammar.
    Grammar who?
    Grammar-nother joke, please!

🦖 Totally Random Knock-Knockers

26. Knock knock.
    Who’s there?
    Cow says.
    Cow says who?
    No, cow says MOO.

27. Knock knock.
    Who’s there?
    Olive.
    Olive who?
    Olive you, Dad! Even with your jokes!

28. Knock knock.
    Who’s there?
    Boo.
    Boo who?
    Aww, don’t cry! It’s just a joke!

29. Knock knock.
    Who’s there?
    Howard.
    Howard who?
    Howard you like another joke?

30. Knock knock.
    Who’s there?
    Ice cream.
    Ice cream who?
    ICE CREAM every time I hear a dad joke!

🎯 Final 21 That’ll Knock You Out (Not Literally)

31. Tank who?

32. Justin who?

33. Wendy who?

34. Harry who?

35. Candice who?

36. Doughnut who?

37. Alpaca who?

38. Leaf who?

39. Wanda who?

40. Dishes who?

41. Scold who?

42. Kenya who?

43. Figs who?

44. Broken pencil who?

45. Nanna who?

46. Beak who?

47. Ash who?

48. Gusto who?

49. Noah who?

50. Robin who?

51. Ya who?

(Answers available upon request… or just let your kids make them up!)