William Perrin

William Perrin may refer to:


 * William Perrin (convict) (1831–1903) convict transported to Western Australia, later a school teacher
 * William Perrin (bishop) (1848–1934), Anglican bishop
 * William Gordon Perrin (1874–1931), R.A.F. and Navy officer
 * Bill Perrin, baseball player
 * William F. Perrin (born 1938), American biologist