Halloween SignUp Themes for Parties, Events & Activities
Festive Halloween Backgrounds & Badges to Customize Your SignUps
Updated September 10, 2026
Give your Halloween SignUps a little extra boo! 🎃 We’ve brewed up a collection of Halloween SignUp themes, complete with festive backgrounds and badges that make coordinating your October events almost as fun as attending them.
Planning a Halloween party, classroom celebration, Trunk-or-Treat, costume contest, haunted house, fall festival, or neighborhood gathering? Choose a Halloween theme that fits the fun and give your SignUp an eye-catching seasonal look in just a few clicks.
From pumpkins and ghosts to creepy-cute Halloween favorites, these festive designs make it easy to set the mood while keeping all your volunteers, participants, supplies, treats, and event details organized in one convenient place. 👻
At SignUp, we're always working to improve your experience with fun, fresh tools that make organizing events easier and more delightful. Check out the Halloween themes the next time you're planning a ghoulishly good time!
You Plan
They Sign Up
We Remind
Easy
About the Author
Tara McAdams
Digital Marketing Manager, Content Strategist & Creator
Tara leads content strategy at SignUp and creates a variety of resources on a wide range of topics – including lifestyle trends, parent tips, prep for holidays, volunteer management, and event planning. More about Tara →
