South Okanagan—West Kootenay (French: Okanagan-Sud—Kootenay-Ouest) is a federal electoral district in British Columbia.

[2] South Okanagan—West Kootenay was created by the 2012 federal electoral boundaries redistribution and was legally defined in the 2013 representation order.

It came into effect upon the call of the 42nd Canadian federal election, scheduled for October 2015.

[3] Under the 2022 Canadian federal electoral redistribution the riding will be renamed Similkameen—South Okanagan—West Kootenay.

It will lose Fruitvale, Montrose, Trail, the regional district electoral area of Kootenay Boundary A and that part of Kootenay Boundary B / Lower Columbia-Old-Glory southeast of Trail to Columbia—Kootenay—Southern Rockies.