Walter Frederick Truettner (July 24, 1881 – 1967) was a member of the Michigan Senate.
Truettner was born in Dundas, Wisconsin.[1] He died in Grayling, Michigan.[2]
Truettner served in the Senate from 1923 to 1928. He was also a member of the Michigan Republican State Committee.
He was president of the Bessemer National Bank until 1927, later becoming vice-president of the National Bank of Detroit, and from 1947 to 1955 he held the presidency of the Grayling Bank.