| William O'Gara | |
| State Senate: | Maine |
| State: | Maine |
| District: | 30th |
| Term Start: | 1996 |
| Term End: | 2002 |
| Preceded: | Donald Esty, Jr. (D) |
| Succeeded: | Carolyn Gilman (R) |
| Birth Date: | 6 December 1931 |
| Birth Place: | Westbrook, Maine |
| Profession: | Schoolteacher |
| Party: | Democrat |
William B. O'Gara (born December 6, 1931) is an American schoolteacher and politician from Maine. O'Gara, a Democrat, served in the Maine State Senate from 1996 to 2002, representing his residence in Westbrook, Maine and nearby areas of Cumberland County.
He was defeated for re-election in 2002 by Republican Carolyn Gilman.[1] From 1974 to 1984, O'Gara served as Mayor of Westbrook.[2]
O'Gara earned a B.A. from Springfield College (1958) and an A.A. from Portland Junior College (1955). He taught and coached at Waynflete School (Portland) and Mahoney Middle School (South Portland) from 1957 to 1980.[2]