Walter Ernest Clark (July 17, 1890 – March 26, 1987) was a politician in Manitoba, Canada. He served in the Legislative Assembly of Manitoba from 1955 to 1958 as a Liberal-Progressive. He was 54 years old at the time of his election, and was a farmer and former municipal official in Baldur. The son of John and Hanna Clark, he farmed and lived in the Rosehill district near Baldur, moving to the town in 1945 but continued to farm until the 1970s. In 1912, Clark married Teresa Caroline Porter. He was reeve of the Rural Municipality of Argyle for 18 years. He died in Baldur in 1987.