La Croix du Sud may refer to:
Croix du Sud, a Latécoère 300 flying boat Croix du Sud, a shipwreck complained about by artist Paul Gauguin Croix du Sud, a Tripartite-class minehunter vessel Exercise Croix du Sud, a military exercise La croix du sud, the French name for the constellation Crux La Croix du Sud, a misremembered title for the novel The Invention of Morel La croix du sud, a movement in the orchestral composition Offrandes (Varèse) La croix du sud, the original French title for Southern Cross (1932 film)
See also Southern Cross (disambiguation)