| Oscar Parkinson | |
| Birth Date: | 29 November 1891 |
| Birth Place: | Colusa, California |
| Death Place: | Palm Springs, California |
| State Assembly: | California |
| District: | 20th |
| Term: | January 3, 1921 - January 8, 1923 |
| Preceded: | Charles Lamb |
| Succeeded: | George A. Dean |
| Party: | Republican |
| Spouse: | Florence May Dolcater (m.1923) |
| Battles: | World War I |
Oscar Charles Parkinson served in the California State Assembly for the 20th district[1] from 1921 to 1923. During World War I, he served in the United States Army.[2] He was elected to California's 20th State Assembly district in 1920.[3]