A stoplight is a traffic signaling device. Stoplight or Stop light may also refer to: Stop light party, a party where guests wear different colors Stoplight loosejaw, a deep-sea dragonfish Stoplight parrotfish, a species of marine ray-finned fish Stoplight Catone, a butterfly of the Nymphalidae Stop-Light: Five Noh Plays, five verse dramas by Paul Goodman Animal common name disambiguation pages