Fletcher is a village in Miami County, Ohio, United States. The population was 510 at the 2000 census. It is part of the Dayton Metropolitan Statistical Area.
Fletcher is located at 40°8′39″N 84°6′42″W / 40.14417°N 84.11167°W / 40.14417; -84.11167 (40.144266, -84.111725).
According to the United States Census Bureau, the village has a total area of 0.3 square miles (0.8 km²), all of it land. Fletcher is drained by East Branch Lost Creek and West Branch Lost Creek.