| Bert Alford Cassidy | |
| Birth Date: | 19 May 1889 |
| Birth Place: | Chippewa Falls, Wisconsin, U.S. |
| Death Place: | Auburn, California, U.S. |
| State Assembly: | California |
| District: | 3rd |
| Term: | January 7, 1929 – January 2, 1933 |
| Preceded: | Thomas Ingram |
| Succeeded: | Harry A. Perry |
| Party: | Republican |
| Children: | 4 |
| Battles: | World War I |
Bert Alford Cassidy (May 19, 1889 - January 20, 1950) served in the California Senate for the 3rd District from 1929 to 1933[1] and during World War I he served in the United States Army.[2]