Washita
- Battle of Washita River
- Bryan County, Oklahoma
- Caddo County, Oklahoma
- Custer County, Oklahoma
- Fort Washita
- Grady County, Oklahoma
- Little Washita River
- Montgomery County, Arkansas
- Ouachita (disambiguation)
- Washita Battlefield National Historic Site
- Washita County, Oklahoma
- Washita National Wildlife Refuge
- Washita River
- Washita tribe
- Washita, Arkansas
- Washita, Oklahoma
- Wichita (disambiguation)