Fenia is a female name.
Fenia is a Dutch and Frisian diminutive of names ending with “-friede” or beginning with “Fried(e)-“, e.g. Friederike. In Russia, Fenia is a short variant of Feodora and other names. Besides, it is a diminutive of the Greek name Photine.
Fenya means “peace” and “gift of god” and “light”.