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.
[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.