Leonard Wendelin Mitzel (February 18, 1946 – March 19, 2017) was a Canadian politician and former Member of the Legislative Assembly of Alberta representing the constituency of Cypress-Medicine Hat as a Progressive Conservative.

During that time Mitzel rose through the ranks to become responsible for two crews, which were focused on the preliminary design and construction of major highways in southern Alberta.

While in office, he continually advocated for a 24-hour Montana-Alberta border crossing at Wild Horse and the development of an alternative north-south transportation corridor along the east side of Alberta and supported the Canadian Centre for Unmanned Vehicle Systems at Defence R&D Canada at Suffield.

He lost his seat in the 2012 Alberta Provincial Election to Drew Barnes, Wildrose Party candidate.

They were founding members and volunteer curators for the Etzikom Museum and the Canadian National Historic Windmill Centre [www.facebook.com/etzikommuseum].