Sant Sadurní d'Anoia (Catalan pronunciation: [ˌsan səðuɾˈni ðəˈnɔjə]) is a municipality in the comarca of the Alt Penedès in Catalonia; and the centre of production of a sparkling wine known as cava.

The noucentista buildings of the Codorníu cava house on the edge of the town were designed by Josep Puig i Cadafalch.

For centuries, Sant Sadurní de Subirats was little more than a set of houses aligned along the road between Tarragona and Barcelona.

Four outlying villages are included within the municipality of Sant Sadurní d'Anoia (populations as of 2005) The town hosted the individual road race cycling event for the 1992 Summer Olympics.

The city has a roller hockey team Club Esportiu Noia, one of the most important in Spain, and play in the main League OK Liga.