Régine Chassagne ( Montreal, Quebec, 1977) is a Canadian multi-instrumentalist musician and singer, and a founding member of the band Arcade Fire. She plays drums, percussion, xylophone, hurdy gurdy, and keyboards among other instruments.
Chassagne has also been involved with a medieval band called Les Jongleurs de la Mandragore, and a jazz band, Azúcar. She also wrote the music for the two-minute David Uloth sketch "The Shine," and contributed to the UNICEF benefit project as part of the North American Hallowe'en Prevention Initiative, performing the song "Do They Know It's Hallowe'en?" along with Win Butler.