| State Delegate: | Virginia |
| District: | 36th |
| Term Start: | January 12, 1972 |
| Term End: | January 13, 1982 |
| Alongside: | George W. Jones |
| Preceded: | Frederick T. Gray |
| Succeeded: | Tom Forehand |
| Birth Date: | 5 October 1935 |
| Birth Place: | Richmond, Virginia, U.S. |
| Party: | Democratic |
| Spouse: | Margaret Hillenbrand |
| Alma Mater: | University of Notre Dame (BS) Georgetown University (LLB) |
| Profession: | Lawyer |
Alexander Benedict McMurtrie Jr. (born October 5, 1935) is an American lawyer and politician who served in the Virginia House of Delegates from 1972 to 1982. After losing his 1981 reelection bid, McMurtrie has run five campaigns for state senate, seeking the 10th district seat in 1991 and 2015 and the 11th district seat in 1994, 1999, and 2007.[1]