Yankton may refer to:
People
- Yankton Dakota, division of the Dakota people, sometimes referred to as Yankton
Places
- Yankton County, South Dakota
- Yankton, South Dakota
- Yankton, Oregon
Other
- Lake Yankton, a lake in Minnesota
- Yankton College, a small liberal arts college in Yankton, South Dakota
- Federal Prison Camp, Yankton, a prison in Yankton, South Dakota