Cosmos is a city in Meeker County, Minnesota, United States, along the South Fork of the Crow River. The population was 473 at the 2010 census.
Minnesota State Highways 4 (Milkyway Street) and 7 (Astro Blvd.) are two of the main routes in the community. In keeping with the community's space theme, all Streets are named after planets and all Avenues are named after constellations.
On the third weekend in July, the city holds the Cosmos Space Festival.