| John H. O'Donnell | |
| Birth Date: | 12 May 1890 |
| Birth Place: | Cortland, New York, U.S. |
| State Assembly: | California |
| District: | 3rd |
| Term: | January 2, 1933 – January 6, 1941 |
| Preceded: | Jerrold L. Seawell |
| Succeeded: | Lloyd W. Lowrey |
| Party: | Democratic |
| Children: | 2 |
| Allegiance: |  United States |
| Battles: | World War I |
John H. O'Donnell (May 12, 1890 - May 9, 1968) served in the California State Assembly for the 3rd district and during World War I he served in the United States Army.[1]