The Smiths Falls Fire Department is a progressive composite fire department located in Eastern Ontario, primarily responsible for the protection of lives and property within the Town of Smiths Falls and surrounding area.

The Smiths Falls Fire Department is a member of the Lanark County Mutual Aid program with the following municipalities:
- Beckwith Township
- Tay Valley Township
- Town of Carleton Place
- Township of Drummond/North Elmsley
- Township of Mississippi Mills
- Town of Perth
- Township of Lanark Highlands
- Township of Montague
Additionally, the Smiths Falls Fire Department provides Automatic Aid to the Township of Drummond/North Elmsley (North Elmsley Ward) and Rideau Lakes Township (South Elmsley Ward).
