Ernest Douglas "Ernie" Isley ECA (born June 29, 1937) is a former school principal and provincial and municipal level politician from Alberta, Canada.
He is the former mayor for the town of Bonnyville, Alberta, Isley served that post after being acclaimed in a by-election on March 7, 2006, until being defeated by Gene Sobolewski on October 21, 2013.
Isley served for seven years as Principal for Bonnyville Centralized High School before running for provincial office.
He ran for a fifth term in office in the 1993 Alberta general election but was narrowly defeated in a by Liberal candidate Leo Vasseur.
In September 2010, Isley helped organize a tour for Wildrose Leader Danielle Smith to Bonnyville, Cold Lake, and Glendon.