Roost may refer to:

Animal resting Human to rest or sleep. Roosting, resting behavior of birds Communal roosting, a behavior of some birds and other animals Monarch butterfly roosts, communal resting sites in monarch butterfly migration Bat roost, a list of places where bats roost

Other uses Roost Records, an American jazz record label Roost Books, an imprint of Shambhala Publications Roost Shared Storage, an American self-storage company acquired by the Australian company Spacer The Roost, a 2005 American horror film The Roost (podcast network), a division of Rooster Teeth Productions The Roost (Washington), a mountain in Washington state, US

See also Jan Van der Roost (born 1956), Belgian composer Roost-Warendin, France Roest, a surname