Girl name · Greek
Nyx
“night”
Vibes
Explore Nyx further
Similar-feel alternatives, or middle-name candidates that pair well with Nyx — both ranked by the same scoring system (vibe overlap, syllable rhythm, origin compatibility).
About the name
Nyx is Greek nyx, night, and the name of the goddess who is the night. In Hesiod's Theogony she is one of the first beings to exist, born of Chaos, and the mother of Sleep and Death among others — older than Zeus, and feared by him.
As a given name it is rare in every country. Fantasy fiction and games have kept it in circulation, and it is the shortest name in our night set: one closed syllable ending on a hard consonant.
It cannot be shortened. One syllable wants length after it (Nyx Aurelia, Nyx Marguerite). On our vibe map it is Mythological with Celestial pull.
More Greek names
Nyx sits in our Greek set — these share its roots.
All Greek names →Nyx — common questions
Is Nyx a boy or girl name?
Nyx is traditionally a girl name of Greek origin.
What does the name Nyx mean?
Nyx means “night” of Greek origin. Nyx is Greek nyx, night, and the name of the goddess who is the night. In Hesiod's Theogony she is one of the first beings to exist, born of Chaos, and the mother of Sleep and Death among others — older than Zeus, and feared by him.
Where does the name Nyx come from?
Nyx is Greek in origin. As a given name it is rare in every country. Fantasy fiction and games have kept it in circulation, and it is the shortest name in our night set: one closed syllable ending on a hard consonant.
How popular is Nyx?
Nyx did not make the top 1,000 girls' names in US Social Security Administration data for 2025, which makes it genuinely rare in the US.
Bring the name into the room
A couple of nice things named Nyx you might want for the nursery.