| Hobart R. Alter | |
| Birth Date: | 13 December 1897 |
| Birth Place: | Iowa, US |
| Death Place: | Ontario, California, US |
| State Assembly: | California |
| District: | 72nd |
| Term: | January 2, 1933 - January 7, 1935 |
| Preceded: | Ben A. Hill |
| Succeeded: | Godfrey A. Andreas |
| Party: | Republican |
| Spouse: | Katherine G. Laidlaw (m. 1919) |
| Children: | 3 |
| Battles: | World War I |
Hobart Romig Alter (December 13, 1897 – May 13, 1984)[1] was an American citrus grower and politician who served in the California State Assembly for the 72nd district from 1933 to 1935.[2] During World War I, he served in the United States Army.[3]
Alter was born in Washington County, Iowa, the son of E. R. Alter and Mabel Meacham.[4] He died in Orange County, California, in 1984.[1]