Learn about the major roles and responsibilities of Ontario’s ministries, meet the ministers and connect to related websites.

Aboriginal Affairs

Strengthens relationships, improves social conditions and builds economic opportunity for Aboriginal communities across Ontario.

Agriculture and Food


Attorney General

Ensures a fair, effective and accessible justice system for all Ontarians.

Children and Youth Services

Works to give children the best start in life, prepare youth to become productive adults and make it easier for families to get key services at all stages of a child’s development.

Citizenship and Immigration

Works with various partners to help individuals and diverse communities flourish and fully participate in Ontario life.

Community and Social Services

Promotes resilient and inclusive communities by helping people achieve their potential, build independence and improve their quality of life.

Community Safety and Correctional Services

Works to ensure that Ontario's communities are supported and protected by law enforcement and public safety systems that are safe, secure, effective, efficient and accountable.

Consumer Services

Helps Ontarians make smart, safe consumer choices in their day-to-day lives.

Economic Development, Trade and Employment

Helps to grow a strong, innovative economy that provides jobs and prosperity for all Ontarians.


Works to make Ontario's publicly funded education and child care systems the world's best, where all children and students have the opportunity to achieve success.


Promotes the development of a safe, reliable, secure and environmentally sustainable energy supply.


Works to protect, restore and enhance the environment to ensure public health and environmental quality.


Creates an environment that helps foster a dynamic, innovative and growing economy, and manages the fiscal, financial and related regulatory affairs of the province.

Francophone Affairs

Ensures that Francophones can fully contribute to social, economic and political life in Ontario, including accessing services in French.

Government Services

Delivers efficient, high-quality services to the people and Government of Ontario.

Health and Long-Term Care

Administers the health care system, regulates hospitals and nursing homes, operates psychiatric hospitals and medical labs, coordinates emergency services and provides health services to people.


Manages infrastructure planning, ensuring the right infrastructure is built, in the right place in a way that is transparent, open and fair and gets the best value for money.

Intergovernmental Affairs

Advances Ontario’s intergovernmental and international priorities through cross-government collaboration, strategic partnerships and trade missions.


Advances safe, fair and harmonious workplace practices that are essential to the social and economic well-being of the people of Ontario.

Municipal Affairs and Housing

Builds safe and strong urban and rural communities with dynamic local economies, abundant greenspace and a quality of life that is second to none.

Natural Resources

Oversees the province’s natural resources and works to safeguard Ontario's provincial parks, forests, fisheries, wildlife, mineral aggregates, Crown lands and waters.

Northern Development and Mines

Promotes northern economic and community development, oversees Ontario mineral sector and helps to deliver programs and services for Northerners.

Pan/Parapan American Games Secretariat

In summer 2015, Ontario will host the Pan American and Parapan American Games, the largest multi-sport event staged on Canadian soil since the 1976 Olympic Summer Games.

Research and Innovation

Supports world-class research, commercialization and innovation taking place across Ontario through a range of programs and services.

Rural Affairs


Seniors' Secretariat

Helps to improve the quality of life of Ontario seniors and supports public education efforts for and about older Ontarians.

Tourism, Culture and Sport

Works to deliver top tourism and recreation experiences to Ontarians and visitors, and promotes the province’s tourism sector to drive economic growth.

Training, Colleges and Universities

Works to build an excellent higher education and training system that gives people a high-quality education and a solid foundation of relevant skills and training.


Oversees a world-class provincial transit and transportation system that moves people and goods safely, efficiently and sustainably to support a globally competitive economy and a high quality of life.

Women's Directorate

Partners with various organizations to take action on issues of concern to women.

Updated: March 21, 2014