Aatreya may refer to:

Acharya Aatreya (1921–1989), playwright, lyric writer and story writer in Telugu cinema Atreya (Devanagari:आत्रेय), ancient Rishi descended from Atri Atreya (surname), Indo-Nepalese Hindu patronymic surname Dattatreya, a Hindu deity encompassing the trinity of Brahma, Vishnu and Shiva