Devil ray may refer to:
- Rays of the genus Mobula, cartilaginous fish including:
- Pygmy devil ray, Mobula eregoodootenkee
- Lesser devil ray, Mobula hypostoma
- Spinetail mobula, Mobula japanica
- Shortfin devil ray, Mobula kuhlii
- Devil fish, Mobula mobular
- Munk's devil ray, Mobula munkiana
- Lesser Guinean devil ray, Mobula rochebrunei
- Chilean devil ray, Mobula tarapacana
- Bentfin devil ray, Mobula thurstoni
- Manta ray, Manta birostris, the largest of the rays
- Tampa Bay Rays, an American League baseball team based St. Petersburg, Florida, known as the Tampa Bay Devil Rays from 1998–2007
- Several of the franchise's affiliated minor league baseball teams use "Devil Rays" or "Rays" as a nickname:
- Southwest Michigan Devil Rays of Battle Creek, Michigan, in the single 'A' Class Midwest League
- Princeton Rays of Princeton, West Virginia, in the 'R' Class Appalachian League
- Devil Ray (DC Comics), a fictional villain from DC Comics based on the character Black Manta and debuting in Justice League Unlimited