| Roy Lyle Davidson | |
| Birth Date: | February 15, 1906 |
| Death Place: | Three Hills, Alberta |
| Birth Place: | Rygate Corner, Vermont, U.S. |
| Residence: | Three Hills, Alberta |
| Office: | Member of the Legislative Assembly of Alberta |
| Term Start: | January 20, 1964 |
| Term End: | May 23, 1967 |
| Predecessor: | Petrie Meston |
| Successor: | Raymond Ratzlaff |
| Constituency: | Three Hills |
| Party: | Social Credit |
| Occupation: | farmer and politician |
Roy Lyle Davidson (February 15, 1906 - April 25, 1999) was a farmer and a provincial politician from Alberta, Canada. He served as a member of the Legislative Assembly of Alberta from 1964 to 1967 sitting with the governing Social Credit caucus.
Davidson ran for a seat to the Alberta Legislature as a Social Credit candidate in a by-election held on January 20, 1964. Davidson won his party nomination in a convention held in Acme on December 24, 1963. He had been involved with the party as a volunteer for 20 years prior to seeking the nomination.[1]
In the election Davidson won a hotly contested four-way race over Liberal leader David Hunter and two other candidates to hold the seat for his party.[2]
Davidson did not run for a second term in office retiring at dissolution of the assembly in 1967.