Several Canadian naval units have been named HMCS Cowichan;

• HMCS Cowichan (J146), a Bangor-class minesweeper commissioned in 1941 and sold in 1946.
• HMCS Cowichan (MCB 147), a Bay-class minesweeper commissioned in 1953 and sold to France in 1954.
• HMCS Cowichan (MCB 162), a Bay-class minesweeper commissioned in 1957 and decommissioned in 1997.

• Atlantic, 1941–45
• Normandy, 1944
• English Channel, 1944–45

• Government of Canada Ships' Histories - HMCS Cowichan