Officials said Danielle Larochelle, 30, of Kingfield was traveling on West Kingfield Road a little after 10 p.m. when she swerved to avoid a deer and ended up going off the road and striking several trees.
Nicholas Shurtleff, 25, of Strong was a passenger in the car. He was ejected from the vehicle and was pronounced dead at the scene.
Two other passengers also were in the car. One of them and the driver were brought to a hospital for treatment. Information about their medical condition was not available on Monday.
Officials said they had not been wearing seatbelts. The crash remains under investigation.