Rapelje is an unincorporated community farming and ranching community in northern Stillwater County, Montana, United States. Rapelje was named for J. M. Rapelje, general manager and vice president of the Northern Pacific Railway. Rapelje area had a population of approximately 110 people as of the 2000 census. Rapelje is located 24 miles north of Columbus, Montana on Montana Secondary Highway 306.