Roy Hardeman Bailey (December 16, 1928 – December 13, 2018) was a Canadian politician. Formerly a member of the Social Credit Party of Saskatchewan, Bailey joined the Progressive Conservative Party of Saskatchewan when the Social Credit and PC parties merged under the PC name in 1971. Bailey ran for the leadership of the Saskatchewan PC Party in 1973, placing second to Dick Collver. He was elected to the Legislative Assembly of Saskatchewan in the 1975 provincial election as the Progressive Conservative Member of the Legislative Assembly for Rosetown-Elrose, and served until 1978.