Cowichan-Ladysmith was a provincial electoral district for the Legislative Assembly of British Columbia, Canada. It made its first appearance on the hustings in the general election of 1991, and was eliminated when the legislature dissolved in advance of the 2009 election. Its predecessor riding was Cowichan-Malahat and was succeeded by Nanaimo-North Cowichan.
Its MLA is Doug Routley. He was first elected in 2005. He represents the British Columbia New Democratic Party.