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Lanark—Carleton (provincial electoral district)

Lanark–Carleton was a provincial electoral district in eastern Ontario, Canada that elected one Member of the Legislative Assembly of Ontario. It was created in 1999 from Lanark—Renfrew and Carleton. It was abolished in 2007 into Carleton—Mississippi Mills and Lanark—Frontenac—Lennox and Addington.

The riding included all of Lanark County plus West Carleton Township and the city of Kanata.