| William Patterson | |
| Birth Date: | 11 December 1908 |
| Death Date: | [1] |
| Office: | Member of the Legislative Assembly of Alberta |
| Constituency: | Lac Ste. Anne |
| Term Start: | June 18, 1959 |
| Term End: | May 23, 1967 |
| Predecessor: | John Mills |
| Successor: | Hugh Horner |
| Party: | Social Credit |
| Occupation: | politician |
William Patterson (December 11, 1908 – February 13, 1996) was a provincial politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1959 to 1967 sitting with the Social Credit caucus in government.
Patterson ran for a seat to the Alberta Legislature in the electoral district of Lac Ste. Anne as a Social Credit candidate in the 1959 Alberta general election. He defeated incumbent Liberal MLA John Mills and two other candidates by a wide margin to pick up the district for his party and win his first term in office.[2]
Patterson ran for a second term in office in the 1963 Alberta general election. He won a larger popular vote easily defeating two other candidates to return to office.[3]
Patterson ran for a third term in office in the 1967 Alberta general election. He would be defeated by Progressive Conservative candidate Hugh Horner finishing second in the four way race.[4]