| Ralph Homan | |
| Birth Place: | Scotland, South Dakota |
| Birth Name: | Ralph Duane Homan |
| Birth Date: | November 30, 1928 |
| Death Date: | May 8, 2013 (aged 84) |
| Death Place: | Sioux Falls, South Dakota |
| Battles: | Korean War |
| Office: | Member of the South Dakota House of Representatives |
| Termstart: | 1983 |
| Termend: | 1986 |
| Party: | Republican |
Ralph Duane Homan (November 30, 1928 - May 8, 2013) was an American politician and businessman.
Born near Scotland, South Dakota, on his family's farm, Homan served in the United States Army during the Korean War. Homan was in the auction and land businesses. He served in the South Dakota House of Representatives as a Republican from 1983 to 1986, where he represented Mount Vernon, South Dakota. He died in Sioux Falls, South Dakota.[1]