Looking for a good laugh that hits every time? Whether you’re cracking up with friends, trying to lighten the mood, or sending a quick text that brings instant smiles, knock knock jokes never disappoint. From really funny knock jokes with unexpected twists to dad knock knock jokes that are so bad they’re good, this list has it all.
In fact, we’ve rounded up over 50 of the best knock knock jokes — clean, clever, cringe-worthy (in a fun way), and guaranteed to entertain. Perfect for all ages, these gems are ideal for parties, group chats, or a midday laugh break.
So go ahead, open the door to some fun…
Classic & Clean: Good Knock Knock Jokes Adults and Kids Alike Will Love
These funny knock knock jokes are timeless and safe for everyone — silly, sweet, and simple.
Knock knock
Who’s there?
Lettuce.
Lettuce who?
Lettuce in, it’s cold out here!
Knock knock
Who’s there?
Cow says.
Cow says who?
Cow says moooo!
Knock knock
Who’s there?
Dishes.
Dishes who?
Dishes the police—open up!
Knock knock
Who’s there?
Atch.
Atch who?
Bless you!
Knock knock
Who’s there?
Nanna.
Nanna who?
Nanna your business!
Knock knock
Who’s there?
Ice cream.
Ice cream who?
Ice cream every time I get scared!
Knock knock
Who’s there?
Boo.
Boo who?
Aw, don’t cry, it’s just a joke!
Surprise! Really Funny Knock Jokes with Clever Twists
Ready to level up the laughs? These funny knock knock jokes come with clever wordplay and punchlines you won’t see coming.
Knock knock
Who’s there?
Europe.
Europe who?
No, YOU’RE a poo!
Knock knock
Who’s there?
Tank.
Tank who?
You’re welcome.
Knock knock
Who’s there?
Cereal.
Cereal who?
Cereal-ously, enough already!
Knock knock
Who’s there?
Robin.
Robin who?
Robin you—now hand over the jokes!
Knock knock
Who’s there?
Broken pencil.
Broken pencil who?
Never mind, it’s pointless.
Knock knock
Who’s there?
Howard.
Howard who?
Howard you like another joke?
These are the best knock knock jokes to get people giggling unexpectedly.
Dad Knock Knock Jokes That Are So Cringey, They’re Hilarious
Ah yes, the dad knock knock jokes. Equal parts cheesy and charming, they’re designed to make you laugh and groan at the same time.
Knock knock
Who’s there?
Alpaca.
Alpaca who?
Alpaca the suitcase, you load the car!
Knock knock
Who’s there?
Cash.
Cash who?
No thanks, I prefer peanuts.
Knock knock
Who’s there?
Justin.
Justin who?
Justin time for another joke!
Knock knock
Who’s there?
Wanda.
Wanda who?
Wanda go out for tacos?
Knock knock
Who’s there?
Raisin.
Raisin who?
Raisin your standards with these jokes!
Knock knock
Who’s there?
Cheddar.
Cheddar who?
Cheddar late than never!
These jokes prove that good knock knock jokes adults enjoy don’t always have to be sophisticated — just punny!
Witty & Clean: Funny Adult Knock Knock Jokes That Hit Just Right
These funny adult knock knock jokes are smart, playful, and still totally family-friendly. Perfect for sharing with coworkers, friends, or your clever uncle.
Knock knock
Who’s there?
Control freak.
Con—
OK now you say “Control freak who?”
Knock knock
Who’s there?
Olive.
Olive who?
Olive your sarcasm.
Knock knock
Who’s there?
Ken.
Ken who?
Ken I borrow some money?
Knock knock
Who’s there?
Anita.
Anita who?
Anita break from work!
Knock knock
Who’s there?
Ima.
Ima who?
Ima grown adult laughing at knock-knock jokes.
Even good knock knock jokes adults can appreciate don’t have to cross the line — just deliver the fun.
Why Knock Knock Jokes Still Work
In the world of humor, funny knock knock jokes stand the test of time. They’re short, punchy, and rely on rhythm and timing. A great knock knock joke is like a shared ritual — a familiar setup followed by a funny surprise.
Whether you’re 8 or 80, there’s something joyful about a silly back-and-forth and a clever pun. Plus, when you’re in a group or texting someone, really funny knock jokes are an easy way to get everyone laughing fast.
Final Knock (Pun Intended)
So, got a favorite from this list? Or maybe you’re inspired to create your own? Don’t keep the fun to yourself — share these best knock knock jokes with your friends, your kids, or your office group chat.
Because when it comes to laughter, there’s always room for one more knock at the door.