Harry Grayson Robert Walker (c. 1912 – August 1, 1978) was an educator and politician in Saskatchewan, Canada.
He served overseas during World War II and then taught for the Department of National Defence in Germany from 1958 to 1961.
Afterwards, Walker returned to Regina and was principal of Massey Elementary School.
He also served on the board of governors for the Regina General Hospital.
[1] Walker defeated incumbent Henry Harold Peter Baker to become mayor in 1973.