| Mark Stiles | |
| State House: | Texas |
| District: | 21st |
| Predecessor: | Tom DeLay |
| Successor: | Allan Ritter |
| Term Start: | January 11, 1983 |
| Term End: | January 12, 1999 |
| Birth Date: | 3 November 1948 |
| Birth Place: | Houston, Texas, U.S. |
| Party: | Democratic |
| Profession: | cattle rancher |
| Alma Mater: | Lamar University |
Mark W. Stiles (born November 3, 1948) is an American politician. He served as a Democratic member for the 21st district in the Texas House of Representatives from 1983 to 1999.[1] [2] The Mark Stiles Unit is named after him.