Whether it’s for Halloween, the next Star Trek convention, or crawling around the house, Star Trek costumes are the best way to win adults over with cuteness. The level of work an adult puts into a costume doesn’t necessarily matter with kid’s costumes, either. Children look cute whether they’re in a store-bought Star Trek bodysuit or an intricately designed Romulan uniform! (Though definite bonus points for the adults if you’ve taken the time to make the costume yourself.) As a mom with a toddler, I’m impressed that the youngest in this list allowed themselves to be dressed up. I haven’t managed to keep a hat on my little Trekkie for more than thirty seconds, much less a whole costume.

I guess I’ll stick with Star Trek t-shirts for now! I hope these pictures brighten your day as they have mine. And thanks to all the Star Trek parents for sharing their fandom with the next generation. 

I cannot get enough of little Spock’s smile! 


This picture of my sons and nephew in Star Trek costumes totally cracks me up. Spock's ears and head tilt? I die. ???⁣ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⁣ These costumes were pretty easy to make. The tops were made from the @seekatesew raglan pattern with an adjusted neckline. ⁣ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⁣ They've held up really well btw. Five years later and my daughter still wears the costumes for play! ⁣ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⁣ You can see all the details through my profile link! https://www.triedandtrueblog.com/star-trek-halloween-costume-kids/

A post shared by Vanessa Brady | Craft Blogger (@triedandtrueblog) on

This one’s not ready for Romulan ale.


World's tiniest Romulan #startrek #stlv #stlv50 #babycostume #cosplay #startrek50th

A post shared by Ryan Nagata (@ryannagata) on

Barclay says, “This reading can’t be right.”

Baby’s first cosplay! (With mommies B’Elanna Torres and Catherine Janeway.) 

You’re rocking those boots, baby Uhura.

This is the captain we need


Ready for command! #startrek #startrekcontinues #fanfilm

A post shared by Sarai Trek (@saraitrek) on

One fully assimilated family. (Here's how they did it!)

One for transport.

Data, Geordie, and Troi share a hug after a particularly intense poker match.


Marina Sirtis of Star Trek!!!!! Love her!!!! #marinasirtis #startrektng #vacomicon

A post shared by Dannies (@danniej89) on

“Because the admiral needs milk!”


Because the admiral needs milk! #startrek #startrekcosplay

A post shared by kingdom woman (@theepadayachees) on

Security officer baby girl Worf, reporting for duty.


Happy Halloween! #babyklingon #startrekbaby #homemadeHalloween #zoeymarine ????

A post shared by Alexi Laffoon | Compass (@alexilaffoon) on

Who knew that Tribbles liked zombies so much!


Undead #redshirt @galaxyconraleigh #startrekcosplay #undead #tribbles #galaxyconraleigh

A post shared by Ian (@itabatch) on

These look so comfy.

Ready for command training.


I advise we proceed with caution, Captain.

Trying to choose the cutest one would be a regular Kobayashi Maru


UOP Safe Trick or Treat ?? #startrek #startrekbaby #uop

A post shared by Ari Simphoukham (@justari239) on

"This is the captain. One to beam up. Forget the other guy. Over." 


Any Star trek fans out there? Give this your own caption!... * * * We had a fun time with this photo shoot. Except that my tiny models were overworked with no pay. They did get free food and water, so it was a fair exchange. * I really procrastinated on this project, which ruined my sleep for the last 3 days, but now I can just relax... ••••••••••••••••••••••••••••••••••••••••••••• #startrek #startrekcosplay #bonnevillesaltflats #desert #scifi #scifigeek #captainkirk #captainkirkcosplay #kidsplay #storytime #creatingmagic #action #beammeupscotty #starshipenterprise #cosplaykids #cosplay #startrekcostume #trekkies

A post shared by Moua Lo • Adventurer (@creativemoua) on

My heart is with this Grandma and Grandaughter Guinan pair.


Oh my gaaawd!

A post shared by Robin (@robintreks) on

Margaret Kingsbury (she/her) writes about children's books at Baby Librarians, a website she co-founded, and is a contributing writer at Book Riot, where she raves about SFF books she loves. You can find her on Twitter @areaderlymom and on Instagram @babylibrarians.

Star Trek Las Vegas