| Brigadier Frank C. Prescott, N.G.C | |
| Office: | 35th Speaker of the California State Assembly |
| Term: | January 2, 1905 – January 1, 1906 |
| Predecessor: | Arthur G. Fisk |
| Successor: | Robert L. Beardslee Sr. |
| State Assembly1: | California |
| District1: | 76th |
| Term1: | January 5, 1903 – January 1, 1906 |
| Preceded1: | D. W. Hasson |
| Succeeded1: | William Fletcher Lemon |
| Birth Date: | 15 November 1859 |
| Birth Place: | Ottawa, Illinois, US |
| Death Place: | Los Angeles, California, US |
| Party: | Republican |
| Spouse: | Maria Virginia Delos Reyes Tebbetts |
| Children: | Frank Clarke Prescott, Jr. |
| Battles: | Spanish–American War |
Brigadier General Frank Clark Prescott, N.G.C. (November 15, 1859 – January 6, 1934) was a Republican politician who served in the California State Assembly from the 76th district from 1903 to 1907 and served as its Speaker from 1905 to 1906.[1] He served in the United States Army during the Spanish–American War.[2] He married Maria Virginia Delos Reyes Tebbetts (m. 13 Jan 1879) daughter of George Parrish Tebbetts (1828 – January 9, 1909) 3rd mayor of San Diego, California.