Sci-fi - 70 Halloween Costume Ideas

Sci-Fi Halloween Costume Ideas in 2026

Sleek suits, tech details, costumes built for a future that never quite arrived.
Action Superhero Fantasy
Echo from Rainbow Six
Rainbow Six

Echo from Rainbow Six

 T-1000 Costume from Terminator 2 – Halloween 2026 Guide
Male

T-1000 Costume from Terminator 2 – Halloween 2026 Guide

 Rick Deckard From Blade Runner
Male

Rick Deckard From Blade Runner

 Bruce The Master Costume from Doctor Who – Halloween 2026
Doctor Who

Bruce The Master Costume from Doctor Who – Halloween 2026

 Neo from Matrix
Male

Neo from Matrix

 Morty Smith From Rick and Morty
Male

Morty Smith From Rick and Morty

 Samus Aran From Metroid
Female

Samus Aran From Metroid

 Cara Dune From The Mandalorian
The Mandalorian

Cara Dune From The Mandalorian

 Lilly Poison From Men in Black III
Men In Black

Lilly Poison From Men in Black III

 Among Us Costume Guide
Among Us

Among Us Costume Guide

 Chani Kynes From Dune
Dune

Chani Kynes From Dune

 Marcus From Raised By Wolves
Raised By Wolves

Marcus From Raised By Wolves

 Campion From Raised by Wolves
Raised By Wolves

Campion From Raised by Wolves

 Greef Karga From Mandalorian
The Mandalorian

Greef Karga From Mandalorian

 Din Djarin From The Mandalorian
Star Wars

Din Djarin From The Mandalorian

 Cyborg From Doom Patrol
Doom Patrol

Cyborg From Doom Patrol

 The Mistress From Doctor Who
Doctor Who

The Mistress From Doctor Who

 Martha Nielsen From Dark
Dark

Martha Nielsen From Dark

 Elisabeth Doppler From Dark
Female

Elisabeth Doppler From Dark

 Jonas Kahnwald From Dark
Dark

Jonas Kahnwald From Dark
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About Sci-fi Costumes

Sci-fi costumes lean on clean lines and tech details over anything textured or worn-in, Sombra's tactical tech, the Men in Black suits, Ellen Ripley's utilitarian gear. Sharp and functional beats messy every time in this genre.

A few well-placed tech accents, a visor, gloves, a chest piece, do more than an entire costume covered in gadgets. Pick one or two details and make them count.

Sci-fi Costumes: FAQ

Some do, most don't. Check the specific character, plenty read fine without any electronics involved.

It covers all of them, film, TV, and games with a sci-fi setting.

A plain black or tactical-style outfit plus one tech accessory, like the Men in Black suits.

Related Tags

Action superhero fantasy