Knock Knock Birthday Jokes
39 Knock Knock Birthday Jokes That Will Have Everyone Laughing
You know that moment at a birthday party… the cake is ready, candles are lit, everyone’s gathered around and suddenly it gets a little awkward while people wait for the song to start?
That’s exactly where knock knock jokes come in and save the day.
They’re silly, easy, and honestly? Kids love them. Even better, adults end up laughing too (usually louder than the kids, if we’re being honest). Whether you’re planning a full-on party, packing a birthday lunchbox, or just want to make someone smile first thing in the morning, these little jokes are pure gold.
I’ve rounded up 39 knock knock birthday jokes that are simple, fun, and perfect for all ages. These are the kind you can read out loud, write in cards, or even turn into a party game.
Grab a cupcake, gather your people, and get ready for some giggles.
Why Knock Knock Jokes Are Perfect for Birthdays
There’s something about knock knock jokes that just works at parties.
They don’t need props.
They don’t need setup.
And you don’t need to be a comedian to pull them off.
They’re especially great for:
- Filling those in-between moments (waiting for cake, presents, etc.)
- Breaking the ice with shy kids
- Keeping younger guests entertained
- Adding something extra to birthday cards or notes
And let’s be real sometimes the simplest things are the ones everyone remembers.
39 Knock Knock Birthday Jokes
Here we go get ready to hear a lot of “again! again!”
1.
Knock knock
Who’s there?
Candice
Candice who?
Candice birthday cake fit in my tummy?
2.
Knock knock
Who’s there?
Abby
Abby who?
Abby birthday to you!
3.
Knock knock
Who’s there?
Olive
Olive who?
Olive birthdays are the best!
4.
Knock knock
Who’s there?
Donut
Donut who?
Donut forget my birthday cake!
5.
Knock knock
Who’s there?
Ice cream
Ice cream who?
Ice cream for your birthday!
6.
Knock knock
Who’s there?
Harry
Harry who?
Harry up, it’s cake time!
7.
Knock knock
Who’s there?
Justin
Justin who?
Justin time for your birthday!
8.
Knock knock
Who’s there?
Noah
Noah who?
Noah better birthday than yours!
9.
Knock knock
Who’s there?
Ben
Ben who?
Ben waiting all year for your birthday!
10.
Knock knock
Who’s there?
Annie
Annie who?
Annie birthday wishes for you!
11.
Knock knock
Who’s there?
Luke
Luke who?
Luke who’s having a birthday!
12.
Knock knock
Who’s there?
May
May who?
May all your wishes come true!
13.
Knock knock
Who’s there?
Pearl
Pearl who?
Pearl birthday fun for you!
14.
Knock knock
Who’s there?
Al
Al who?
Al bring the presents!
15.
Knock knock
Who’s there?
Boo
Boo who?
Don’t cry it’s your birthday!
16.
Knock knock
Who’s there?
Dee
Dee who?
Dee-licious birthday cake!
17.
Knock knock
Who’s there?
Gus
Gus who?
Gus what? It’s your birthday!
18.
Knock knock
Who’s there?
Pat
Pat who?
Pat yourself on the back it’s your day!
19.
Knock knock
Who’s there?
Sal
Sal who?
Sal-ebrate your birthday!
20.
Knock knock
Who’s there?
Tim
Tim who?
Tim for cake!
21.
Knock knock
Who’s there?
Wendy
Wendy who?
Wendy going to eat cake?
22.
Knock knock
Who’s there?
Yule
Yule who?
Yule love your birthday gifts!
23.
Knock knock
Who’s there?
Otto
Otto who?
Otto be your birthday!
24.
Knock knock
Who’s there?
Robin
Robin who?
Robin you of your birthday cake!
25.
Knock knock
Who’s there?
Sandy
Sandy who?
Sandy claws brought your presents early!
26.
Knock knock
Who’s there?
Holly
Holly who?
Holly cow, it’s your birthday!
27.
Knock knock
Who’s there?
Barry
Barry who?
Barry excited for cake!
28.
Knock knock
Who’s there?
Ella
Ella who?
Ella-brate your birthday!
29.
Knock knock
Who’s there?
Chip
Chip who?
Chip chip hooray, it’s your birthday!
30.
Knock knock
Who’s there?
Candy
Candy who?
Candy believe it’s your birthday?
31.
Knock knock
Who’s there?
Sunny
Sunny who?
Sunny days and birthday fun!
32.
Knock knock
Who’s there?
Dino
Dino who?
Dino-mite birthday!
33.
Knock knock
Who’s there?
Fizzy
Fizzy who?
Fizzy drinks for your birthday!
34.
Knock knock
Who’s there?
Sprinkle
Sprinkle who?
Sprinkle some fun on your birthday!
35.
Knock knock
Who’s there?
Party
Party who?
Party time it’s your birthday!
36.
Knock knock
Who’s there?
Jelly
Jelly who?
Jelly you’re having a birthday!
37.
Knock knock
Who’s there?
Buster
Buster who?
Buster move, I want cake!
38.
Knock knock
Who’s there?
Cupcake
Cupcake who?
Cupcake and celebrate!
39.
Knock knock
Who’s there?
Wish
Wish who?
Wish you the happiest birthday ever!
Fun Ways to Use These at a Party
Okay, this is where it gets really fun because these jokes aren’t just for reading. You can actually build little moments around them that make your party feel extra special (without adding stress).
1. Joke Time Before Cake
Right before you bring out the cake, have a quick “joke round.” Let a few kids take turns telling their favorites. It keeps everyone engaged and builds excitement.
2. Add Them to Gift Tags
Instead of just writing “Happy Birthday,” pop one of these jokes onto a gift tag. It’s such a simple touch, but it makes your present stand out.
3. Birthday Lunchbox Surprise
If it’s a school-day birthday, tuck a joke into their lunchbox. It’s one of those little things they’ll remember way longer than you expect.
4. Turn It Into a Game
Write a few jokes on cards and let kids act them out or read them dramatically. The sillier, the better.
5. Joke Station
Set up a little “joke corner” where kids can pick a joke, read it, and swap with a friend. Easy entertainment, zero prep stress.
Tips for Making Them Even Funnier
Here’s the secret: it’s not just the joke it’s how you tell it.
- Pause before the punchline (build the suspense!)
- Use silly voices (kids LOVE this)
- Let kids mess it up (honestly, it makes it funnier)
- Repeat the favorites (they will ask again… and again)
And don’t worry if some jokes get eye-rolls. That’s part of the charm.
A Little Real-Life Truth
If you’ve ever planned a birthday party, you already know it’s not the perfectly matched decorations or the Pinterest-worthy cake that people remember most.
It’s the laughter.
It’s the chaos.
The sugar highs.
The kids shouting over each other to tell a joke.
The adults laughing way too hard at something completely ridiculous.
These knock knock jokes? They help create those moments.
Birthdays don’t have to be complicated to be magical.
Sometimes all it takes is:
- A cake
- A few friends
- And a handful of really silly jokes
So whether you use one or all 39, you’re guaranteed a few giggles and probably a couple of groans too (which honestly means they’re working perfectly).
If you’re putting together a party or even just making someone’s day a little brighter, keep these handy. They’re simple, sweet, and exactly the kind of fun that brings people together.
And if you’re anything like me… you’ll end up remembering half of them and using them all year long,
