Arosa may refer to:

By place

Switzerland Arosa is a municipality and Federal Statistical Office–defined town in the Swiss canton of Graubünden Arosa (Rhaetian Railway station), a railway station in Arosa, Graubünden, Switzerland EHC Arosa, a Swiss ice hockey team

Galicia Arosa SC, a football team based in Villagarcía de Arosa, Spain Isla de Arosa, an island municipality in Galicia, Spain Villanueva de Arosa, a municipality in Pontevedra, Galicia, Spain Villagarcía de Arosa, a municipality in Pontevedra, Galicia, Spain Ría de Arosa, an estuary in Galicia, Spain

Other 1304 Arosa, an Asteroid SEAT Arosa, a city car manufactured by the Spanish automobile company SEAT Arosa Line, a transatlantic shipping company. The Arousa Interglacial