The 1960 United States Senate election in Iowa took place on November 8, 1960. Incumbent Republican Senator Thomas E. Martin did not run for re-election to a second term. Jack Miller won the open seat by defeating Democratic Governor Herschel Loveless.
Republican primary
Candidates
Rollo Bergeson, former Iowa Secretary of State (1946–49)[1]
Dayton Countryman, former Iowa Attorney General (1955–57) and candidate for Senate in 1956