Cowichan may refer either to:the Cowichan Tribes First Nation located in and around Duncan, British Columbia the Cowichan Valley, a region on Vancouver Island centred on Duncan, British Columbia, which contains: Cowichan Valley Regional District, a supra-municipal regional government Cowichan Lake, a 30 km long body of water the town of Lake Cowichan Cowichan River Cowichan Bay, British Columbia, a bay and community. the Cowichan sweater, a heavy-wool knit animal and geometric patterns made by the women of the Cowichan people.British Columbia provincial electoral districtsCowichan 1871–1920 Cowichan-Alberni 1894 Cowichan-Newcastle 1920–1963 Cowichan-Malahat 1966–1986 Cowichan-Ladysmith 1991–2005 Nanaimo-North Cowichan 2009–2020 Cowichan Valley 2009–presentCanadian federal electoral districtsCowichan—Malahat—The Islands 1976–1987 Nanaimo—Cowichan 1987–2015 Nanaimo—Cowichan—The Islands 1962–1976 Cowichan—Malahat—Langford 2015–presentOtherCowichan Herald Extraordinary, one of the officers of arms at the Canadian Heraldic Authority