A dawn goddess is a deity in a polytheistic religious tradition who is in some sense associated with the dawn.
Occidental examples of dawn goddesses include the reconstructed Indo-European dawn goddess, see Hausos and her reflections in historical daughter traditions:
In Japan, the non-Indo-European dawn goddess Ame-no-Uzume-no-Mikoto (Uzume) is a Shinto spirit with a temperament very similar to Eos.
In Sioux mythology, Anpao, the spirit of the dawn, has two faces.