Kilnamanagh Lower (Irish: Cill na Manach Íochtarach) is a barony in County Tipperary, Ireland. This geographical unit of land is one of 12 baronies in County Tipperary. Its chief town is Dundrum. The barony lies between Kilnamanagh Upper to the north (whose chief town is Borrisoleigh), Clanwilliam to the south (whose chief town is Cahir) and Eliogarty to the east (whose chief town is Thurles). It is currently administered by Tipperary County Council.