Alan Williams may refer to:
Alan John Williams (1930–2014), British politician, Member of Parliament for Swansea West
Alan Lee Williams (born 1930), British politician, Member of Parliament for Hornchurch
Alan Wynne Williams (born 1945), British politician, Member of Parliament for Carmarthen, and for Carmarthen East and Dinefwr
Alan Williams (economist) (1927–2005), British health economist
Alan Williams (Australian footballer) (1917–1988), Australian rules footballer
Alan Williams (footballer, born 1938), English footballer
Alan Williams (born 1948), singer with the Rubettes
Alan Williams (novelist) (born 1935), British novelist, thriller writer and ex-foreign correspondent
Alan Williams (rugby union) (1893–1984), American rugby union player who competed in the 1924 Summer Olympics
Alan Williams (composer) (born 1965), American musician
Alan Williams (American football) (born 1969), American football coach
Alan Meredith Williams (1909–1972), British diplomat
Alan Williams (Florida politician) (born 1975), American politician
Alan Williams (bishop) (born 1951), Roman Catholic Bishop of Brentwood
Alan Williams (basketball) (born 1993), American basketball player
Alan Frederick Williams, immunologist
