Cattanach is a Scottish surname. It may refer to: George Cattanach (1878–1954), Canadian lacrosse player Helen Cattanach (1920–1994), Scottish nurse John Cattanach (1863–1926), American baseball player John Cattanach (shinty) (1885–1915), Scottish shinty player Lachlan Cattanach Maclean, 11th Chief (1465–1523), Scottish clan chief Robert Cattanach (born 1984), Australian footballer See also Clan Chattan, a Scottish clan Cattanach v Melchior, an Australian court case