The best knock-knock jokes

Knock Knock! Who's there? Justin Justin who? Justin time for dinner!
Vote: has 61.01 % from 77 votes. Send joke:

More jokes about: kids, knock-knock
Fan: "I see you won a silver medal at the Olympics. What's it for?¨" Athlete: "It's for telling knock knock jokes." Fan: "And what's that gold medal for?" Athlete: "For stopping."
Vote: has 60.08 % from 55 votes. Send joke:

More jokes about: athlete, knock-knock
One night, there was a knock on my door... i open it and no one was there every night I would get the same knock and still no one was there... Untill the morning I was just making myself some tea as a person knocks on my door it was a black man he walk in and stole my tea .... i said to myself did he just mug me .... I still didn't know who was knocking on the doors at night Untill one night I opened my door and there was a floating mug I was still confused.
Vote: has 59.19 % from 15 votes. Send joke:

More jokes about: knock-knock, life
Knock-knock. Who's there? To. To who? No, to whom.
Vote: has 58.51 % from 61 votes. Send joke:

More jokes about: knock-knock, nerd
Knock, Knock! Who's there? D umbbell. Dumbbell who? Dumbbell doesn't work so I had to knock!
Vote: has 57.73 % from 35 votes. Send joke:

More jokes about: knock-knock
"Have you heard my knock-knock joke?" asked the blonde. "No," said the brunette. "Okay," said the blonde, "you start."
Vote: has 56.05 % from 28 votes. Send joke:

More jokes about: blonde, knock-knock, stupid
Knock Knock. Who's There? Justin. Justin who? Your justin time to wipe my ass!
Vote: has 52.63 % from 43 votes. Send joke:

More jokes about: dirty, knock-knock, sex
Chuck Norris was once part of a knock knock joke. The Joke ended abruptly when after the first knock the door blew up killing the man behind it.
Vote: has 51.61 % from 25 votes. Send joke:

More jokes about: Chuck Norris, death, knock-knock
Knock knock? Who's there? Hitler! Hitler who? You Know, the man who kills jews.
Vote: has 44.53 % from 44 votes. Send joke:

More jokes about: black humor, death, Hitler, jewish, knock-knock
Knock, Knock! Who's there? Doctor Doctor who? That's a great TV show, isn't it?
Vote: has 41.84 % from 22 votes. Send joke:

More jokes about: doctor, knock-knock