William East
William East may refer to:
- William East (1695–1737), British politician
 - Sir William East, 1st Baronet of Hall Place, Maidenhead (1738–1819), of the East baronets
 - William East (rower) (1866–1933), English sculling champion
 - William East (cricketer) (1872–1926), English cricketer
 - William Gordon East (1902–1998), English geographer and writer
 - William G. East (1908–1985), American jurist