Sønnå is a village in Sauda Municipality, in Rogaland, Norway. Sønnå lies at 16 m above sea level, in the Scandinavian mountains. The nearest city is Haugesund, 67 km to the west. Among the landmarks around are Sauda Church (0.7 km), Gjerde Church (24 km) and Suldal Church (19.2 km). Among the natural features are Langfossen (22 km) and Låtefossen (35 km).