The leader of the Opposition is the member of the Legislative Assembly (MLA) in the Legislative Assembly of Prince Edward Island who leads the largest party not in government.

This list is incomplete.

#LeaderPartyTook officeLeft officeNeil McLeodConservative 1891 1893Daniel GordonConservative 1894 1903John A. MathiesonConservative 19041911John RichardsLiberal19121915John Howatt BellLiberal19151919Aubin E. ArsenaultConservative1919 1921James D. StewartConservative1921 1923Albert C. SaundersLiberal1923 1927James D. StewartConservative1927 1931Walter LeaLiberal1931 1935No Official Opposition Leader 1935–1939William J.P. MacMillanProgressive Conservative 1940 1950Reginald R. BellProgressive Conservative1950 1959Alexander Wallace MathesonLiberal1959 1965Lorne BonnellLiberal19651965Alexander B. CampbellLiberal1965 1966Walter Russell ShawProgressive Conservative1966 1970George DewarProgressive Conservative1970 1973Melvin McQuaid Progressive Conservative1973 1976J. Angus MacLean Progressive Conservative1977 1979William Bennett CampbellLiberal1979 1981Gilbert ClementsLiberal1981 1982Joe GhizLiberal1982 1986Leone Bagnall Progressive Conservative1986 1993Pat Mella Progressive Conservative19931996Keith MilliganLiberal1996 1999Paul ConnollyLiberal1999 2000Ron MacKinleyLiberal2000 2003Robert GhizLiberal2003 2007Pat Binns Progressive Conservative20072007Olive Crane Progressive Conservative20072010Jim Bagnall Progressive Conservative20102010Olive Crane Progressive Conservative20102013Hal PerryProgressive Conservative20132013Steven MyersProgressive Conservative20132015Jamie FoxProgressive Conservative20152017James AylwardProgressive Conservative20172019Peter Bevan-BakerGreen20192023Hal PerryLiberal2023