Saint-Pierre-Quiberon (French pronunciation: [sɛ̃ pjɛʁ kibʁɔ̃]; Breton: Sant-Pêr-Kiberen) is a commune in the Morbihan department of Brittany in north-western France. The commune occupies the northern part of the Quiberon peninsula, that it shares with the commune of Quiberon.

Residents of Saint-Pierre-Quiberon are called Saint-Pierrois in French.

Fort Penthièvre dates from the 19th century.

There are four railway stations in the commune of Saint-Pierre-Quiberon, all on the Auray–Quiberon railway which is operated in summer only: Saint-Pierre-Quiberon, Kerhostin, L'Isthme and Penthièvre. At Auray station connections to Paris and other places in France are offered.