Progressive Conservative Party of Ontario

Led by

Doug Ford

Represented in Northumberland—Peterborough South by

David Piccini

Ontario New Democratic Party

Led by

Marit Stiles

Represented in Northumberland—Peterborough South by

Bruce Lepage

Ontario Liberal Party

Led by

Bonnie Crombie

Represented in Northumberland—Peterborough South by

Dorothy Noronha

Green Party of Ontario

Led by

Mike Schreiner

Represented in Northumberland—Peterborough South by

Maxwell Groves

Ontario Party

Led by

Derek Sloan

Represented in Northumberland—Peterborough South by

Florian Bors

New Blue Party of Ontario

Led by

Jim Karahalios

Represented in Northumberland—Peterborough South by

Joshua Chalhoub

None of the Above Direct Democracy Party

Led by

Greg Vezina

Northern Ontario Party

Ontario Libertarian Party

Led by

Mark Snow

Communist Party of Canada (Ontario)

Led by

Drew Garvie

Canadians' Choice Party

Led by

Bahman Yazdanfar

Stop the New Sex-Ed Agenda

Consensus Ontario

Freedom Party of Ontario

Led by

Paul McKeever

Ontario Centrist Party

Led by

Mansoor Qureshi

Ontario Moderate Party

Led by

Yuri Duboisky

Ontario Alliance

Party for People with Special Needs

Led by

Lionel Poizner

Populist Party Ontario

Led by

Jim Torma

Electoral Reform Party

Led by

Peter House