Hastings—Lennox and Addington is a provincial electoral district in Ontario, represented in the Legislative Assembly since 2018.

It includes parts of Hastings County, Lennox and Addington County, and surrounding areas. The riding is a blend of rural farmland, small towns, and growing communities, with strong roots in agriculture, mining, and manufacturing.

The riding was created as part of Ontario’s electoral redistribution process, ensuring fairer representation for rural and semi-urban communities. It continues to serve as a vital connection between Ontario’s rural voice and provincial governance.