Clanwilliam may refer to: Clanwilliam (County Tipperary), barony in Ireland Earl of Clanwilliam, title in the Peerage of Ireland Theodosia Meade, Countess of Clanwilliam Clanwilliam Rugby Club, in Tipperary Clanwilliam (County Limerick), barony in Ireland Clanwilliam, Western Cape, town in South Africa Clanwilliam, Manitoba, a community in Canada Rural Municipality of Clanwilliam, Manitoba, merged into: Municipality of Clanwilliam-Erickson
See also Clanwilliam redfin, a fish species native to South Africa Clanwilliam yellowfish, a fish species native to South Africa Clanwilliam sandfish, a fish species native to South Africa Clanwilliam rock-catfish, a fish species native to South Africa Sawfin or Clanwilliam sawfin, a fish species native to South Africa Widdringtonia wallichii or Clanwilliam cypress, a tree species native to South Africa Clanwilliam Dam, a dam in South Africa