Stephen Mandel (born July 18, 1945) is a Canadian politician and leader of the Alberta Party from 2018 to 2019.
He previously served as an Alberta cabinet minister from 2014 to 2015 and as mayor of Edmonton, Alberta for three terms from 2004 to 2013.
Prior to being mayor, he was a councillor for three years.
On September 15, 2014, he was made Minister of Health by premier Jim Prentice, despite not holding a seat in the Legislative Assembly of Alberta.
He was subsequently named as the Alberta Progressive Conservative Party's candidate in a by-election in Edmonton-Whitemud, the seat formerly held by Dave Hancock, which was scheduled for October 27, 2014.
He won in the byelection but was subsequently defeated in the general election on May 5, 2015.
Mandel announced his candidacy for the leadership of the Alberta Party on January 10, 2018.
He was elected on February 27, 2018, defeating two other candidates.