The Honourable Walter Morley Aseltine (September 3 1886 - November 14 1971) was a Canadian politician.
A farmer and lawyer by training, Aseltine ran unsuccessfully for a seat in the Canadian House of Commons as the Conservative candidate for Rosetown, Sasktachewan in the 1926 Canadian election.
In 1933 he was appointed to the Canadian Senate by R.B. Bennett. He served in the Cabinet under John George Diefenbaker when he became Government Leader in the Senate in 1958 serving in the position until 1962.
Aseltine resigned from the Senate in March 1971 at the age of 84 due to health reasons. He died eight months later.
