The 1999 Ontario general election was held on June 3, 1999, to elect members of the 37th Legislative Assembly of the Canadian province Ontario.

Michael Deane Harris is a retired Canadian politician who served as the 22nd premier of Ontario from 1995 to 2002 and leader of the Progressive Conservative Party of Ontario from 1990 to 2002. During his time as party leader, he guided the Ontario PC Party toward Blue Toryism, advocating for the "Common Sense Revolution", his government's program of deficit reduction in combination with lower taxes and budget cuts.