Throwing a memorable birthday party can be stressful! Finding the right birthday party theme shouldn't have to be. We've rounded up the top birthday party ideas for both the young and old that will equip you with all the festive inspiration and party-planning tools needed to throw a one-of-a-kind birthday bash!

Our unique list includes girl birthday party themes, boy birthday parties, birthday party themes for adults, as well as the latest unique gender-neutral birthday party ideas that will suit both boys and girls.

1. Art Birthday Party

art party

Celebrate your child's love for art by throwing them a colorful and vibrant art party! Your budding artist and party guests can enjoy arts and crafts while munching on some Rice Krispie paintbrushes. Send your party guests home with watercolor palette party favors. Create DIY decorations for your art paint party or purchase pre-made designs from EmilyEntertains on Etsy.

2. Unicorn Birthday Party

unicorn cake
Brittany Baxter

Chances are if you're a parent to a little girl, they adore unicorns! Throw them a magical unicorn birthday of their dreams with some sweet festive ideas from the unicorn party hosting guide. Your choices for rainbow unicorn parties are endless.

However, for your unicorn birthday party to be complete, serve our whimsical and enchanting magical unicorn birthday cake at your child's birthday celebration– it's guaranteed to be a sugary showstopper!

3. Space Themed Party

space birthday decorations

3-2-1 Blast off! Your little one will be over the moon when you deck out their space with incredible out-of-this-world outer space birthday theme decorations. Dazzle your guests with spectacular galaxy party supplies by purchasing a space party kit from Etsy, or DIY. Get inspired by these cosmic party ideas!

4. Totally '90s Birthday Party

'90s birthday theme

Throw the ultimate throwback bash with a totally awesome '90s birthday party. Any child of the '90s will think this party is totally rad! Have party guests attend in colorful retro attire, and snack on some iconic, nostalgic '90s treats, like Dunkaroos. Get your creative juices flowing and plan the perfect '90s birthday party with some of these fun and innovative '90s birthday party theme ideas.

5. Whimsical Carnival And Circus Birthday

circus birthday decorations

A charming carnival or circus birthday themed birthday party will delight both boys and girls that attend. Offer a variety of classic carnival goodies such as popcorn, caramel apples, corn dogs. Display an impressive backdrop of traditional circus colors of red and white stripes with rainbow bunting and playful balloons.

6. Under The Sea Mermaid Birthday Party

clam and pearl cookies

Have a splash with your little mermaid and her friends at an adorably themed under the sea mermaid birthday party. Bedazzle your guests with jellyfish paper lanterns amongst a sea of beautiful pastel balloons. Serve rock candy disguised as "coral" and delicious DIY clam and pearl cookies. Check out some other magical mermaid themed party ideas to get started!

7. Cactus Fiesta Birthday

cactus themed birthday

Prickly cactus birthday parties are all the rage right now! Your guest of honor and their friends will adore the unique and fun designs of a cactus themed birthday party. Dress up your space with shades of lime green, apple green, tea green, hunter green, and emerald, along with subtle hints of light pink and bursts of white.

Use and glue together balloons to create cactus-like shapes and color black prickles onto them along with faux pink flowers. Don't forget to utilize artificial succulents and cacti when decorating your party display. A cactus themed birthday makes an excellent celebration for both children and adults.

8. Lego Themed Birthday

lego cupcakes

Legos are one of the best toys ever! If you have kids, chances are you have Legos as well! Legos encourage open-ended play and hours of fun. Having a Lego-themed birthday party is a no-brainer for your Lego obsessed tot and their fun-loving friends. Prepare simple cupcakes and top them with Lego-shaped candies and provide your guests with several Lego-themed activities to keep them busy through-out the party!

9. Ice Cream Social Birthday Party

ice cream themed birthday party

Summer birthdays are extra special! With the warm weather, there are a variety of summertime themed birthday parties you can choose from that can also feature activities outside.

An ice cream themed birthday party is both whimsical and charming, and it can also be coupled with water activities on a hot summer day for added excitement. Have your guests enjoy a make-your-own ice cream sundae bar, along with birthday cake.

Prepare ice cream cone cupcakes in place of traditional birthday cake, or serve along with your main cake as an added playful snack. If you prefer, you may also serve up an impressive homemade ice cake, featuring a classic combination of chocolate and vanilla ice cream at your summer bash. Transform your space into a magical ice cream parlor with these sweet ice cream party ideas. Your ice cream social birthday is guaranteed to be a sweet success!

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