| John MacKenzie Thompson | |
| Birth Date: | 22 March 1924 |
| Birth Place: | Pasadena, California[1] |
| Office: | MLA for Cardston |
| Term Start: | 1975 |
| Term End: | 1986 |
| Predecessor: | Edgar Hinman |
| Successor: | Jack Ady |
| Party: | Progressive Conservative |
| Spouse: | LeVaun Matkin (m.1949) |
John MacKenzie Thompson (March 22, 1924 – November 1, 2016) was a politician from Alberta, Canada. He served in the Legislative Assembly of Alberta from 1975 to 1986.[2]
Thompson was first elected in the electoral district of Cardston in the 1975 Alberta general election, as a member of the Progressive Conservative Party.[3] In the 1979 general election Thompson narrowly defeated challenger Broyce Jacobs of the Social Credit Party.[4] In the 1982 general election he defeated Steve Pinchak of the Western Canada Concept Party.[5] He retired at dissolution of the legislature in 1986.