Zagreus is a god in Greek religion and mythology.
Zagreus may also refer to: Zagreus (audio drama), based on the British television series Doctor Who Zagreus (beetle), a genus of insects in the family Coccinellidae Zagreus (Hades), the protagonist of the video game Hades Zagreus Ridge, an ice-free ridge on the Oscar II Coast on the Antarctic Peninsula. Papilio zagreus, a South American butterfly