| Intro | American politician |
| Was | Politician |
| From | United States of America |
| Type | Politics |
| Gender | male |
| Birth | 24 March 1862, Middletown Township, Delaware County, Delaware County, Pennsylvania, U.S.A. |
| Death |
30 December 1908, Media, Delaware County, Pennsylvania, U.S.A. (aged 46 years) |
| Politics | Republican Party |
William L. Mathues (March 24, 1862 – December 30, 1908) was a former Treasurer of the U.S. state of Pennsylvania. Mathues was one of the people convicted in connection to the Pennsylvania State Capitol graft scandal. He died of pneumonia in 1908 before he was supposed to go to prison.