25 Knock Knock Jokes That Are Genuinely Funny

It's no surprise the knock knock joke has lasted nearly 100 years—its countless set-ups and punchlines have made people laugh the world over! Here are 25 of our favourites.

Funniest Knock Knock Jokes YodelPhoto: Shutterstock / RD.ca

Knock Knock Jokes That Have Us Laughing Every Time!

Knock, knock.
Who’s there?
A little old lady.
A little old lady who?
I had no idea you could yodel!
—@KnockKnockJokes


Best Knock Knock Jokes - To WhomPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
To.
To who?
To whom.
Reddit.com


Best Knock Knock Jokes - SaulPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Saul.
Saul who?
Saul there is. There ain’t no more.
Fletcher Henderson, 1930s big-band leader


Best Knock Knock Jokes - IdahoPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Ida.
Ida who?
Surely it’s pronounced Idaho?
—@haileyhargreeve


Funny Knock Knock Jokes Broken PencilPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
A broken pencil.
A broken pencil who?
Never mind. It’s pointless.
@BiarianaCxH


Best Knock Knock Jokes - NobelPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Nobel.
Nobel who?
No bell. That’s why I knocked.
LaughFactory.com


Best Knock Knock Jokes - Boo HooPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Boo.
Boo who?
Hey, don’t cry!
@kata_kitoka


Best Knock Knock Jokes - LukePhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Luke.
Luke who?
Luke through the peephole and find out.
—Parade.com


Funniest Knock Knock Joke Time Travelling CowPhoto: Shutterstock / RD.ca

Moo.
Knock, knock.
Who’s there?
Time-travelling cow.
@LeahBloom


Best Knock Knock Jokes - Control FreakPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Control Freak.
Con…
Okay, now you say, “Control Freak who?”
Aoibhinn Ní Shúilleabháin, broadcaster


Best Knock Knock Jokes - LeonPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Leon.
Leon who?
Leon me … when you’re not strong!
Fatherly.com


Best Knock Knock Jokes - PolicePhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Police.
Police who?
Police hurry up, it’s nearly lunch time!
@TheStourbridge


Best Knock Knock Jokes - HatchPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Hatch.
Hatch who?
Bless you.
LaughFactory.com


Best Knock Knock Jokes - Van NuysPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Van Nuys.
Van Nuys who?
Van Nuys was 17, it was a very good year…
@KnockKnockAtoZ


Best Knock Knock Jokes - HoneydewPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Honeydew.
Honeydew who?
Honeydew you wanna dance?
Bestlifeonline.com


Best Knock Knock Jokes - The Office KgbPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
KGB.
KGB who?
We will ask the questions!
—Dwight Schrute, The Office

Don’t miss these hilarious quotes from The Office!


Funniest Knock Knock JokesPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Cows go.
Cows go who?
No, silly. Cows go moo!
—Reddit.com


Best Knock Knock Jokes - ElementaryPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Elly.
Elly who?
Elly-mentary, my dear Watson!
@ItsJohnathan91


Best Knock Knock Jokes - CashewsPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Cash.
Cash who?
No thanks, I’ll have some peanuts.
ThoughtCatalog.com


Best Knock Knock Jokes - OwlsPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Owls.
Owls who?
They sure do!
Reddit.com


Best Knock Knock Jokes - Ice CreamPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Ice cream.
Ice cream who?
Ice cream if you don’t let me in!
@StumpyCatBooks


Best Knock Knock Jokes - Deja VuPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Dejav.
Dejav who?
Knock, knock.
—Fatherly.com


Best Knock Knock Jokes - EuripidesPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Euripides.
Euripides who?
Euripides clothes, you pay for them!
—Parade.com


Best Knock Knock Jokes - Wood WokPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
A wood wok.
A wood wok who?
A wood wok 500 miles, and a wood wok 500 more!
—Reddit.com


Best Knock Knock Jokes - SpellPhoto: Shutterstock / RD.ca

Knock, knock.
Who’s there?
Spell.
Spell who?
Okay, fine. W-H-O.
—Bestlifeonline.com

If you enjoyed this roundup of the best knock knock jokes, be sure to check out our all-time favourite wedding jokes.