Allison Williams (born 1988) is an American actress.
Allison Williams may also refer to:
Allison Williams (Miss West Virginia) (born c. 1981), 2003 pageant titleholder Allison Williams (reporter) (born 1984), Fox Sports reporter Allison Williams (footballer) (born 1998), Saint Kitts and Nevis footballer
See also Allyson Williams (born 1947), Trinidadian-born British midwife and carnival organiser Alyson Williams (born 1962), American R&B singer William Allison (disambiguation)