Elmer Thomas Lake
General data
- Name: Elmer Thomas Lake
- Water system: Atchafalaya River
- Water type: River
- Progression: Little Medicine Creek -> Medicine Creek (Red River of the South tributary) -> Red River of the South -> Atchafalaya River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Temperate, Subtropical, Temperate
- Continents: North America, North America
- Countries: United States of America, United States of America
Elmer Thomas Lake is a lake in Comanche County in the state of Oklahoma in the United States. The lake has a stream source from Little Medicine Creek, encompasses 135 ha, and primarily serves as a recreation area.