Nyx ♥ Save ▶ Listen Pronunciation [Nyx] ▶ Gender Female Meaning Night Origin Greek Nyx is a unisex baby name of Greek origin, and the meaning of Nyx is "night". In Greek mythology, Nyx was a powerful goddess and the embodiment of the night. Nyx Dog Name Ideas Nyx Dog Names: Night-Goddess Ideas for Black, Sleek, and Quietly Bold Dogs Back to the List Try Random Names