William Barrow may refer to:
William Barrow (priest) (1754–1836), English Anglican Archdeacon of Nottingham, 1830–1832 William Barrow (bishop) (died 1429), Bishop of Bangor and of Carlisle William Barrow (Jesuit) (1609–1679), English Jesuit William Barrow (chemist) (1904–1967), American chemist William Hodgson Barrow (1784–1876), English Conservative politician who sat in the House of Commons from 1851 to 1874
See also William G. Barrows (1821–1886), justice of the Maine Supreme Judicial Court