Osseo is a small city in Hennepin County, Minnesota, United States. As of the 2010 census it had a population of 2,430, and in 2016 the estimated population was 2,752.
It is said that "Osseo" is derived from the Ojibwe name waaseyaa meaning "there is light", although more commonly known as "Son of the Evening Star". The poet Henry W. Longfellow mentions Osseo in one of his Native American legends contained in his poem The Song of Hiawatha. It is claimed that Longfellow visited Osseo while in St. Anthony.