Lotsee is a town in Tulsa County, Oklahoma, United States. The population was 6 at the 2020 census, compared to a total of 2 in 2010. It is the fourth smallest incorporated municipality in Oklahoma, tied with the town of Knowles, Oklahoma. and in an article on “The Tiniest Town in Every State” by House Beautiful in November 2023, it was cited as the tiniest town in Oklahoma as it had only two people.