Who are the names of provincial opposition parties and leaders?

Here are the names of the major provincial opposition parties and their leaders in Canada as of my knowledge cutoff in September 2022. Please note that this information may have changed since then, so I recommend checking the official sources for the most up-to-date information.

British Columbia:

- Official Opposition Party: BC Liberal Party

- Leader: Kevin Falcon

Alberta:

- Official Opposition Party: Alberta New Democratic Party (NDP)

- Leader: Rachel Notley

Saskatchewan:

- Official Opposition Party: Saskatchewan NDP

- Leader: Carla Beck

Manitoba:

- Official Opposition Party: Progressive Conservative Party of Manitoba

- Leader: Brian Pallister

Ontario:

- Official Opposition Party: Ontario New Democratic Party (ONDP)

- Leader: Andrea Horwath

Quebec:

- Official Opposition Party: Québec solidaire (QS)

- Co-spokespersons: Gabriel Nadeau-Dubois and Manon Massé

New Brunswick:

- Official Opposition Party: Progressive Conservative Party of New Brunswick

- Leader: Blaine Higgs

Nova Scotia:

- Official Opposition Party: Progressive Conservative Party of Nova Scotia

- Leader: Tim Houston

Prince Edward Island:

- Official Opposition Party: Progressive Conservative Party of Prince Edward Island

- Leader: Dennis King

Newfoundland and Labrador:

- Official Opposition Party: Progressive Conservative Party of Newfoundland and Labrador

- Leader: Ches Crosbie

Note: The standings of provincial opposition parties and leaders can change due to elections, resignations, or other political events. For the latest information, please refer to the official websites or news sources of the respective provincial governments or political parties.