Several Canadian naval units have been named HMCS St. Laurent.

• HMCS St. Laurent (H83) (I) initially served the Royal Navy as the Interwar Standard C-class destroyer HMS Cygnet (H83) before transfer to the Royal Canadian Navy for service as a River-class destroyer in the Second World War
• HMCS St. Laurent (DDH 205) (II) was the lead ship of the Cold War St. Laurent-class destroyers
• HMCS Saint-Laurent (III) is a planned River-class destroyers, intended to enter service in the 2030s.

Ships of the Royal Canadian Navy bearing the name St. Laurent or Saint-Laurent share the following battle honours;

• Atlantic 1939–45^[1]
• Normandy 1944

• HMS St Lawrence

• Government of Canada Ship's Histories - HMCS St. Laurent
• Construction Begins for Canada’s New Warship Fleet – the River Class Destroyers

List of ships with the same or similar names

This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.