CalyxNames

Sci-Fi Name Generator

Built from harder, more angular syllables than the fantasy generators — fewer soft vowels, more x, k, and z sounds — aiming for names that read as alien or far-future rather than medieval.

Sci-Fi Name Generator

What separates a sci-fi name from a fantasy one

Compare “Zarion” to “Elithien” and the difference isn’t random — sci-fi naming conventions in fiction lean on sharper consonants (x, k, v, z) and tighter syllables, avoiding the soft l/r/th sounds that read as ancient or elvish. This generator’s syllable set was built specifically around that harder profile.

Writing a medieval setting instead? The elf and human name generators are a better fit. Need a hero to go with your sci-fi world? Try superhero names.

Frequently asked questions

Are these names tied to a specific alien species or culture?
No — the syllable set is generic sci-fi rather than built around one species, so it works as a starting point for humans, aliens, or AI characters alike.
Can I get a first and last name, or just one name?
This generator produces single names. Generating twice and combining two results works well for a full first-and-last-name pair.
Do these work for planet or ship names too?
They can, though the syllables were tuned for characters specifically. Results tend to work best as a person's name rather than a location.