Flashlight fish is a common name for several fish and may refer to:
Anomalopidae, a family known as the flashlight fishes, with many species referred to as flashlight fish, especially Anomalops katoptron, from the Pacific Ocean Photoblepharon palpebratum, from the eastern Indian Ocean and the Pacific Photoblepharon steinitzi, from the western Indian Ocean Myctophidae, a family sometimes known as flashlight fishes, with some species referred to as flashlight fish Electrona risso (chubby flashlight fish), found in oceans around the world Protomyctophum crockeri, found in the North Pacific Spotted lantern fish (Myctophum punctatum), found in deep waters of the Atlantic and Mediterranean Sea Stomiidae, a family with species referred to as flashlight fish Photostomias, found in deep waters