William Rowlands may refer to:
William Rowlands (Australian cricketer) (1904–1984), Australian cricketer William Rowlands (English cricketer) (1883–1948), English cricketer William Rowlands (Gwilym Lleyn) (1802–1865), Welsh bibliographer and Methodist minister William Bowen Rowlands (1837–1906), British politician and member of parliament William Penfro Rowlands (1860–1937), Welsh schoolteacher and composer
See also William Rowland (disambiguation)