Canton of Cherbourg-Octeville-Sud-Ouest

The Canton of Cherbourg-Octeville-Sud-Ouest in France was situated in the department of Manche and the region of Basse-Normandie. It had 19,161 inhabitants (2012). It was disbanded following the French canton reorganisation which came into effect in March 2015. Cherbourg-Octeville was its seat.

The canton comprised the following communes:
 * Cherbourg-Octeville (partly)
 * Couville
 * Hardinvast
 * Martinvast
 * Saint-Martin-le-Gréard
 * Tollevast