# List of political parties in Ontario

The following is a list of political parties in Ontario, Canada.

## Parties represented in the Legislative Assembly of Ontario

| Name | Founded | Ideology | Political position | Leader | MPPs |
| Progressive Conservative Party of Ontario Parti progressiste-conservateur de l'Ontario | 1854 | Conservatism | Centre-right | Doug Ford | 80 / 124 |
| Ontario New Democratic Party Nouveau Parti démocratique de l'Ontario | 1961 | Social democracy Progressivism | Centre-left | Marit Stiles | 27 / 124 |
| Ontario Liberal Party Parti libéral de l'Ontario | 1857 | Liberalism | Centre | Bonnie Crombie | 14 / 124 |
| Green Party of Ontario Parti vert de l’Ontario | 1983 | Green politics | Centre-left | Mike Schreiner | 2 / 124 |

## Other parties registered with Elections Ontario

| Name | Founded | Ideology | Leader | Notes |
| Canadians' Choice Party Le Parti du choix des Canadiens et Canadiennes | 2011 | Direct democracy, Right-wing populism, Far-right politics | Bahman Yazdanfar | |
| Communist Party of Canada (Ontario) Parti communiste du Canada (Ontario) | 1940 | Communism | Drew Garvie | Known as the Labor-Progressive Party from 1941 to 1949. Had two MPPs from 1943 to 1951, and one from 1951 to 1955. |
| Electoral Reform Party | 2022 | Electoral reform | Peter House | |
| Freedom Party of Ontario Parti de la Liberté - Ontario | 1984 | Objectivism | Paul McKeever | |
| New Blue Party of Ontario Nouveau Parti Bleu de l'Ontario | 2020 | Right-wing populism | Jim Karahalios | Briefly held one seat in the legislature from 2020-2022 after PC MPP Belinda Karahalios crossed the floor to the party. |
| None of the Above Direct Democracy Party Aucune de ces Réponses Démocratie Directe Parti | 2014 | Direct democracy | Greg Vezina | |
| Northern Ontario Party Parti de l'Ontario Nord | 1977 | Regionalism | Jacques Ouellette | Known as Northern Ontario Heritage Party from 1977-1985, 2010-2016, Disbanded in 1985, Revived in 2010, Separatist from 2016-2018 |
| Ontario Alliance Alliance de l'Ontario | 2017 | Social conservatism, Right-wing populism | Joshua E. Eriksen | |
| Ontario Centrist Party | 2022 | Centrism | Mansoor Qureshi | |
| Ontario Libertarian Party Parti libertarien de l'Ontario | 1975 | Libertarianism | Mark Snow | |
| Ontario Party | 2018 | Social conservatism Right-wing populism | Derek Sloan | Briefly held one seat in the legislature from 2021-2022 after PC MPP Rick Nicholls joined the party. The party was deregistered from 2023-2024 |
| Ontario Moderate Party | 2014 | Centrism Economic liberalism | Yuri Duboisky | |
| Party for People with Special Needs Parti pour les gens qui ont des besoins spéciaux | 2007 | Disability rights activism, Single-issue politics | Lionel Wayne Poizner | |
| Populist Party Ontario Parti Populiste Ontario | 2022 | Populism | Jim Torma | |
| Progress Party Ontario Parti Progrès de l'Ontario | 2025 | | Sana Ahmad | |
| Stop the New Sex-Ed Agenda | 2016 | Social conservatism, Single-issue politics | John Kanary | |
Parties listed in the order they are alphabetized by Elections Ontario.

## Unregistered parties

* League for Socialist Action
* North American Labour Party
* Ontario Humanist Party
* Socialist Party of Ontario

## Historical parties that held seats in the Legislative Assembly

* Co-operative Commonwealth Federation (first election 1934) 1932 – 1961
* (Independent) Labour 1874-1937
* Labor-Progressive Party 1941 - 1959
* Liberal-Labour 1943 - 1970s
* Liberal-Progressive 1934 - 1940
* Soldier 1919 - 1923
* Trillium Party of Ontario 2017 - 2018
* Patrons of Industry 1894
* Protestant Protective Association 1894
* United Farmers of Ontario 1918 - 1940

## Pre-Confederation parties

* Clear Grits (pre-Confederation)
* Reform Party (pre-Confederation)
* Family Compact (pre-1837 ruling clique)
Cornell, Paul G. "The Genesis of Ontario politics in the Province of Canada (1838-1871)," in Profiles of a Province: studies in Ontario History, (Toronto: Ontario Historical Society, 1987), 59-72.

## Other historical parties

| Name | Period | Ideology | Notes |
| Canadian Economic Party | 2018-2019 | Basic income advocacy, Single-issue politics | |
| Consensus Ontario | 2018-2025 | Populism, Non-partisan consensus government |
| Cultural Action Party of Ontario | 2016-2018 | | Known as Canadian Constituents' Party from 2016-2017 |
| Equal Parenting Party | 2014-2018 | Father's rights | |
| Family Rights Party | 2024-2025 | Family rights | |
| Freedom of Choice, Peace & Justice Party | 2022-2025 | | |
| Go Vegan | 2011-before 2022 election | Environmentalism, Animal rights |
| Natural Law Party of Ontario | 1993-2000 | Pro-Transcendental Meditation | |
| New Reform Party of Ontario | 1987-2016 | | Known as Family Coalition Party of Ontario from 1987-2015 |
| Multicultural Party of Ontario Parti Multiculturel de l'Ontario | 2018-before 2022 election | Single-issue politics |
| Ontario Provincial Confederation of Regions Party | 1989-2025 | Conservatism, Canadian nationalism, Anti-bilingualism | |
| Ontario Social Reform Party | 2018-2019 | Populism | |
| Parliamentary Freedom Party | 2018-2019 | | |
| Party for Human Rights in Ontario | 2011 | | |
| Party of Objective Truth | 2018-2019 | Meritocracy | |
| Pauper Party of Ontario Parti Pauvre de l'Ontario | 2011-before 2022 election | Social credit, Libertarianism | |
| People First Republican Party of Ontario | 2007-2019 | Big Tent, Grassroots democracy, Republicanism | |
| People's Progressive Common Front of Ontario | 2022-2025 | | |
| Public Benefit Party of Ontario | 2022-2025 | | |
| Reform Party of Ontario | 1989-2015 | Right-wing populism, Social conservatism | |
| Representative Party of Ontario | 2005 | Right-wing populism, Social conservatism | A faction of the Reform Party that existed in 2005 |
| Social Credit Party of Ontario/Union of Electors | 1945-1985 | Social credit, Social conservatism | |
| Stop Climate Change Arrêtons le Changement Climatique | 2018-before 2022 election | Environmentalism, Single-issue politics | |
| The New People's Choice Party of Ontario | 2017-2019 | Left-wing populism | |
| The Peoples Political Party | 2011-2023 | Left-wing populism | |
| The Only Party | 2011 | | |
| Unparty | 1980-1983 | Objectivism | Succeeded by Freedom Party of Ontario |

### Toronto municipal parties

| Name | Period |
| Toronto Party | 2007 |
| Civic Action (CIVAC) | 1969 |
| Metro New Democratic Party | 1969-1990s |
| Civic Liberals | 1969 |