The Office of the Fire Marshal (OFM) is a branch of the Public Safety Division of the Ontario Ministry of Community Safety and Correctional Services.

The mission of the OFM is to contribute to an environment for the residents of Ontario that is safe from fire and other public safety hazards by providing leadership and expertise in the reduction and elimination of these hazards.

The role of the OFM is to minimize the loss of life and property from fire in Ontario by providing support to municipalities and fire departments across Ontario to meeting the needs of their communities, including public education, fire prevention, firefighting, fire protection, training, and fire investigation,
leadership within the Ontario Government by advising on standards and legislation relating to fire prevention and protection, and recommendations for the provision of adequate levels of fire safety for buildings and premises within Ontario.