Planning your soon-to-be 3-year-old’s upcoming celebration? We’ve got the best list of 3rd birthday party ideas to help you choose the perfect theme for your big boy or girl.
Well, you did it, you survived the “Terrible Twos” (it wasn’t so terrible, right?!), and it’s time to celebrate by planning an epic 3rd birthday bash.
Every great party needs a clever theme, so we’ve pulled together a list of the most unique 3rd birthday party themes for you and your big boy or girl to choose from.
Many of these ideas we brainstormed ourselves, so you can be the first in line to bring it to life (send us some pics if you do – we’d love to feature them!). Plus, we’ve created photo collages for each theme to provide you with some inspiration for decorations, supplies, party favors and even birthday outfits.
Turning 3 marks your toddler becoming a big kid, so go wild with your celebration – the fun they’ll have on their big day will be more than worth the time and effort you put into it!
PIN for when you’re ready to choose your child’s third birthday party theme!
Please note: this post contains affiliate links. See our disclosure policy for full details.
Creative Unisex/Gender Neutral 3rd Birthday Themes
We have to admit, we’re a sucker for a good pun and play on words (see our list of 1st Birthday Party Themes and 2nd Birthday Party Themes as proof). So we scoured the web and put on our thinking caps to find the best (and newest!) 3rd birthday party themes that include “three” or “third”.
The ideas below can be used for either boys or girls – scroll through and see which one is the perfect fit for your big kid (and keep scrolling for more girl and boy inspired third birthday themes too!)
This fun theme literally says “goodbye two”, and is the perfect way to celebrate moving onto year 3 with a bevy of colorful cacti, llamas, and of course, tacos!
Another fun Mexican-inspired party theme is this clever 3rd birthday spin on Fiesta: “Three-esta”! Use lots of bright colors, don a sombrero, set up a taco bar and once your guests have left, collapse for a siesta!
Invite Old MacDonald’s animals to your 3-year-old’s farm party and hear them sing “3-I-E-I-O”! Create a farm-feel with animal prints, hay balls, farm fresh food, and a big red barn!
It’s Sweet to Bee Three
We love this sweet honey bee theme to celebrate your big boy or girl’s special bee-day. The color scheme is a no-brainer here, with lots of black and yellow decorations, honeycomb patterns, and bee motifs. Your party guests will be buzzing around with excitement!
Wild and Three
Invite your guests into the jungle with this clever “Wild and Three” Safari inspired party. Palm leaves, prints and your child’s favorite wild animals make for easy decorations to pull the theme together.
Swingin’ From The Threes
Calling all little monkeys! Swing on over to this monkey themed birthday party and “go bananas!”. You can have so much fun with this theme, and even put a Curious George twist on it for those fans of the trouble-making monkey.
Land of the THREE, Home of the Brave
If your party falls close to 4th of July or Memorial Day, combine the celebrations with this unique “Land of the THREE, Home of the Brave” red, white and blue party!
Three Little Pigs
This classic fairytale lends itself perfectly to a 3-year-old birthday party (or you could even put a Peppa Pig spin on it!)…just don’t invite the big bad wolf!
Three Ring Circus
Bring your very own 3-Ring Circus to life with a vibrant circus themed 3rd birthday party where you’re the Ringmaster!
Unique 3rd Birthday Party Themes for Girls
If you need a girl 3rd birthday party theme, look no further! Most of these great ideas are generally thought of being more “girly” (although don’t let that stop you if you think they’d fit your boy, we’re all for individual expression!), with plenty of pinks, tiaras, florals, and sparkle.
Threenager / Little Miss Threenager
They say the “terrible twos” are nothing compared to the independent “Threenager” your child turns into during their 3rd year. We beg to differ, but it does make for a very clever, tongue-in-cheek celebration that you can use to create a fun party with a spin on fashion, make-up, and #socialmedia.
Take inspiration from Katy Perry’s hit song “Teenage Dream” and create your 3-year-old’s “Threenage Dream” instead! Ask your little girl what that would look like to her – use her favorite colors, and go all-out with a fun treat like a popsicle stand or cotton candy cart!
Photo sources & inspiration links: Kara’s Party Ideas
Young, Wild and Three
We love this bohemian-inspired theme that lends itself perfectly to pretty muted colors, teepees, dream catchers, feathers and fringe!
Three Scoops of Fun
This birthday party is sure to make your mouth water. Create an ice cream theme for your little girl’s 3rd birthday party with pastel colors, sprinkles, her favorite flavors, and of course a cherry on top!
Yippee, I’m Three!
Celebrate turning 3 with this cute catchphrase, and include all of the things that make your daughter go “yippee” – whether it’s unicorns, butterflies, or princesses, this theme leaves the door open for interpretation.
Photo sources & inspiration links: @whatmomslove
Third Times a Charm
Create a charming princess party with this theme made famous by Kylie Jenner. Decorate with crowns, tiaras, and lots of sparkle!
Tea for Three
Pinky’s out for a fancy tea par-tea celebrating three! Your little guests will swoon over the feminine details, finger sandwiches and overall grown-up vibe.
3 Little Kittens
Find inspiration from the classic nursery rhyme, 3 Little Kittens, and help them find their lost mittens so they can have some pie! Turn your guests into cute little kittens with some face paint whiskers and headband ears, and send them home with their very own pair of cuddly mittens!
Who says dinosaurs are just for boys? Turn this Three-Rex theme more feminine by incorporating “girly” colors, or go for a muted boho color scheme with gold accents.
Three as a Bird
Tweet, tweet! Be as free as a bird at this unique 3rd birthday party with plenty of sweet feathered friends. We especially love the bird cage birthday cake!
Under the Three / Under the Sea I’m Turning Three!
Dive in to this Under the Sea party with a 3-year-old twist! Schools of fish, dolphins and mermaids await your guests, and the theme lends itself to plenty of creative party food ideas: starfish sandwiches, oyster cookies and mermaid tail cupcakes to name a few.
Fancy & Three
Time to get fancy! Provide tutus or princess dresses for your littlest guests, and have them craft their very own magical wands – anything fancy goes at this 3rd birthday bash!
Unique 3rd Birthday Party Themes for Boys
We haven’t forgotten about the boys! These 3rd birthday party ideas are full of their favorites, including construction, rockets, dinosaurs, pirates and sports (and these can of course be used for girls too!).
Get down and dirty with this clever construction themed 3rd birthday party. No need for elaborate decorations here, some caution tape and your little boy’s favorite vehicles will do the trick.
THREE-2-1 Blast Off
Blast off to outer space with this third birthday theme that is out of this world! Perfect for any rocket-loving future astronauts.
Photo sources & inspiration links: Zazzle, Kara’s Party Ideas, Laura’s Little Party, HootyBalloo, Project Nursery, Catch My Party, Hostess with the Mostess, Pretty my Party, Soiree Love, Candle Cake Party Shop
Ain’t Nuthin’ But a 3 Thang
Go Shawty it’s ya birthday! Get down with the 90s rap era and with a super cool party inspired by Dr. Dre and Snoop Dogg’s song “Nuthin’ but a G Thang”.
Got a 3-year-old dinosaur expert? Go back to prehistoric times to create a one-of-a-kind dinosaur party inspired by T-Rex.
Pirate’s Life for Three
Arrr, me mateys, gather your little swash bucklers, hop on me ship and find ye party! Eye patches, pirate flags and treasure maps required!
Have your birthday boy become a Free Agent, and celebrate his love of sports with a colorful sports-themed 3rd birthday party. Create a fun concession stand with stadium-type snacks, sports beverages for refueling, play sports party games, and give out trophies as party favors.
Stealing 3rd / Three Strikes / Three-peat
Your guests will have a ball at this baseball themed bash which could even be customized to include your little boy’s favorite Major League team. Don’t forget the Cracker Jacks!
Third Year Down
Go for the 3rd down by creating your own home tailgate for a football themed party that will have your guests yelling, “touchdown!!!”
Which 3rd birthday party theme did you decide upon? We hope your party planning goes smoothly, and your 3-year-old enjoys their very special birthday celebration. Cheers to 3!