William A. Smith
William A. Smith or William Alexander Smith may refer to:
- William [Alden Smith], U.S. Representative and U.S. Senator from the U.S. state of Michigan
- William [Alexander Smith (politician)], U.S. Representative from the U.S. state of North Carolina
- Sir William Alexander Smith (Boys' Brigade), founder of the Boys' Brigade
- William Alexander Smith (boxer), South African boxer
- William Alexander Smith, birth name of T. C. Curtis, UK-based Jamaican singer
- Amor De Cosmos, Canadian journalist and politician
- William Andrew Smith, president of Randolph-Macon College
- William Armstrong Smith, political researcher whose papers reside in the Richard B. [Russell Library for Political Research and Studies]
- William Arthur Smith, American artist
- William A. Smith (Iowa judge), justice of the Iowa Supreme Court
- William A. Smith (Kansas judge), Associate Justice of the Kansas Supreme Court