50+ Silly Knock Knock Jokes: Laugh Out Loud with these Clean yet Prolific Punchlines!

Knock, knock! Who's there? Well, it doesn't matter because once you've read through this article filled to the brim with hilarious and clean knock-knock jokes for all ages - kids included! But don't be fooled by their innocent appearance; many of them pack quite a punch when shared among adults too!

The origins of these popular jokesters date back as far as 1606, thanks in large part to none other than the Bard himself: William Shakespeare. In Act II, Scene III of his timeless classic play Macbeth (yes really!), our beloved bard penned what would eventually become one of literature's most iconic opening lines - 'Knock knock!' Little did he know how these simple five words would go on to bring smiles galore for centuries upon centuries to come...

So without further ado, let us dive right into the belly laugh-filled world of knock-knockery!

1. Knock knock!

Who is it?

Orange you glad I didn't ask who was behind this door?

2. Knock! Who's there?

I'm at your service...literally.

3. Knock knock!

Who do we have here today?

We've got no time for games; can we just get to the punchline already?!

4. Knock, knock.

Who is it?

It's me - I forgot my key!

5. Knock! Who's there?

No one. Just a door with some anxiety issues.

6. Knock knock!

Who's on first base today?

7. Knock knock!

Hello?! Is anyone home or did everyone just go 'knock-knock' crazy?!

8. Knock, knock.

Knock who?

There is no 'who'. It's an exclamation!

9. Knocking on the door...

Knock knocking!

Who wants to come in?

Nobody – I'm trying to take a nap with my insomnia condition.

10. Knock! Who goes?

11. Knock knock!

Who am I?

You're just standing there; can't you see it's me?!

12. Knock, knock.

It's the pizza delivery guy!

13. Knocking on your heart...

Knock knock!

14. Hey buddy, need any help moving this couch? It weighs a ton...literally.

15. Knock! Who is it?

Cows go moo; can I come in too?

16. Knock knock!

Who was here first – me or the door?!

17. Hello there neighbor! How's life treating you today?

Just peachy, thanks for asking - especially since peaches are currently out of season!

18. Knocking on your mind...

Knock knock!

19. Who do I need to thank for this sudden urge to go shopping?

20. Why did the chicken cross the road? To get away from all these knock-knock jokes?!

21. Knock, knock.

Who is it?

It's not me; I'm just here with some free ice cream.

22. Can someone please tell me why we're still standing outside in this pouring rain while our feet are literally turning into puddles?!

23. Knock! Who goes?

I'm the wind...and also your ex.

24. Knock knock!

Who is it?

If I say 'who,' can you guess?

25. Knocking on the door of my brain...

Knock knock!

26. Why did Santa Claus refuse to enter the bar?! Because he only served 'knock-knock' jokes!

27. Knock, knock.

Who's there?

Sorry folks; it seems I've got a case of cabin fever and forgot what number we're up to...can someone please help me out?!

28. Hey buddy, want some advice on how not to get caught cheating during an exam?! Just tell everyone you were just trying out your new knock-knock delivery skills.

29. Knocking! Who's there?

Don't mind us; we're just playing a game of 'who can think up the dirtiest knock-knock joke in under 10 seconds without anyone actually getting hurt'!

30. Knock, knock!

Who wants to come inside and warm up with some hot cocoa?! (Just don't forget your umbrella – it's still pouring cats & dogs outside!)

31. Knocking on the door of my soul...

Knock knock!

32. Why did I bring a ladder when all I wanted was to borrow sugar?!

33. Knock, knock.

Who is it?

I'm here for the free cake and ice cream party...isn't everyone else invited?

34. Hey there neighbor! Want some advice on how not to get stuck in an elevator with me during rush hour?! Just remember: if I start telling you a knock-knock joke, GET OUT – FAST!

35. Knocking! Who's there?

It's just my imagination; but honestly speaking, it feels like nobody actually lives here anymore...

36. Why did the scarecrow win first prize in the county fair? Because he was an egg-cellent listener...and also because his knock-knock joke about 'Why did the chicken cross the road?' left everyone literally a-maize-d!

37. Knocking! Who's there?

It's not me; I'm just here to deliver some bad news – your mom called and she said you forgot her birthday again...

38. Why was the math book so sad? Because it had too many problems...and also because when someone finally asked 'knock knock,' all that came out were more questions instead of actual answers!

39. Knocking! Who's there?

It's just my brain trying to tell me something – but honestly speaking, I think it might be suffering from a severe case of déjà vu...

40. Why did the teacher bring a ladder and a chair into class today? To reach new heights...and also because she heard knock-knock jokes were about to get 'high'-ly personal!

41. Knocking! Who's there?

It's just my heart beating in sync with yours; but seriously, can someone please tell me why I keep having these recurring dreams about a giant talking door that won't stop knocking?!

42. Why did the astronaut break up with his girlfriend?! Because he needed space...and also because whenever they tried to have an intimate moment together, all she ever wanted was to play 'knock-knock'!

43. Knocking! Who's there?

It's just my stomach growling – can someone please pass me some chips?!

44. Why did the computer go on a diet?! Because it wasn't getting any 'memory'...and also because every time I tried to access its files, all that came up were these ridiculous knock-knock jokes!

45. Knocking! Who's there?

It's just my sense of humor trying to get in – but honestly speaking, things are looking pretty bleak around here...

46. Why did the teacher wear a watch when she forgot her lunch?! Because it was 'time' for recess...and also because I heard knock-knock jokes were about to start flying left and right like birds out of an exploding barn!

47. Knocking! Who's there?

It's just my best friend trying to borrow some sugar – but seriously, can someone please tell me why we're still standing outside in this pouring rain while our feet are literally turning into puddles?!

48. Why did the chicken cross the road today? To get away from all these knock-knock jokes...and also because I heard there was a free bag of corn waiting on the other side!

49. Knocking! Who's there?

It's just my mind trying to tell me something – but honestly speaking, it feels like nobody actually lives here anymore...

50. Why did the chicken cross the road? To get away from all these knock-knock jokes...and also because I heard someone finally asked 'knock, knock' and not 'why?' for once!

Knock knock jokes for adults