These birthday knock-knock jokes are silly – and perfect for someone’s birthday.

Knock knock jokes like these are fun for teachers, coaches, parents and anyone to share on someone’s birthday.

All of these birthday jokes are clean and safe for children of all ages.

Birthday Knock-Knock Jokes

Knock, knock.
Who’s there?
Abby.
Abby who?
Abby birthday!

Knock, knock.
Who’s there?
Abbey.
Abbey who?
Abbey birthday to you, Abbey birthday to you…

Knock, knock.
Who’s there?
Abbie and Mannie.
Abbie and Mannie who?
Abbie birthday and Mannie happy returns.

Knock, knock.
Who’s there?
Alligator.
Alligator who?
Alligator something nice for her birthday.

Knock, knock.
Who’s there?
Art.
Artwho?
Art you going to a birthday party?

Knock, knock.
Who’s there?
Bacon.
Bacon who?
Bacon a cake for your birthday.

Knock, knock.
Who’s there?
Bird.
Bird who?
Bird day greetings to you.

Knock, knock.
Who’s there?
Bertha.
Bertha who?
Bertha day greetings to you.

Knock, knock.
Who’s there?
Gus.
Gus who?
Gus who’s birthday it is today?!

Knock, knock.
Who’s there?
Hippo.
Hippo who?
Hippo birthday to you…

Knock, knock.
Who’s there?
Isthmus.
Isthmuswho?
Isthmus be your birthday!

Knock, knock.
Who’s there?
Ivana.
Ivana who?
Ivana piece of birthday cake.

Knock, knock.
Who’s there?
Lettuce.
Lettuce who?
Lettuce come to your birthday party!

Knock, knock.
Who’s there?
Mark.
Mark who?
Mark your calendar, because my birthday’s coming!

Knock, knock.
Who’s there?
Omar.
Omar who?
Omar goodness, it’s your birthday?

Knock, knock.
Who’s there?
Osborn.
Osborn who?
Osborn today – wish me a happy birthday!

Knock, knock.
Who’s there?
Sue.
Sue who?
Sue-prize!! Happy birthday!

Knock, knock.
Who’s there?
Wanda.
Wanda who?
Wanda wish you a very happy birthday 🙂

Knock, knock.
Who’s there?
Zeus.
Zeus who?
Zeus see my birthday’s almost here?

That’s it for our birthday knock-knock jokes. Make sure you check out our big collection of birthday one-liners and birthday jokes here: Birthday Jokes.