Brosna (Irish: Brosnach) is a parish situated in the Sliabh Luachra area of County Kerry, Ireland. It lies 16 km (9.9 mi) from the town of Castleisland. Its electoral area incorporates 2356.502 ha (5,823 acres 2 roods and 6 perches). The present population is 1,200. It consists of Brosna town and 34 townlands. It is a mainly agricultural rural parish, supporting two churches, two schools, a post office, and five public houses.