Places beginning with GA in South Dakota, United States
- Gair (historical), Township of
- Galena
- Gales, Township of
- Gallup
- Gallup, Township of
- Gannvalley
- Garden City
- Garden City, Town of
- Garden Prairie (historical), Township of
- Garden Prairie, Township of
- Garfield (historical), Township of
- Garfield, Township of
- Garfield, Township of
- Garfield, Township of
- Garfield, Township of
- Garfield, Township of
- Garfield, Township of
- Garfield, Township of
- Garland, Township of
- Garner, Township of
- Garretson
- Garretson, City of
- Gary
- Gary, City of
- Gas Belt, Township of
- Gassman, Township of
- Gaughen (historical), Township of
- Gayville
- Gayville
- Gayville, Town of
- Gayville, Township of