HMCS Chedabucto was a Bangor-class minesweeper that served with the Royal Canadian Navy during the Second World War. She served primarily in the Battle of the Atlantic. During the Battle of the St. Lawrence in 1943, Chedabucto was sunk in a collision with a cable ship.

The Bangor-class minesweepers were a class of warships operated by the Royal Navy (RN), Royal Canadian Navy (RCN), Imperial Japanese Navy (IJN), and Royal Indian Navy (RIN) during the Second World War.