Allison Williams may refer to:
- Allison Williams (Miss West Virginia) (born 1981), 2003 pageant titleholder
- Allison Williams (actress), Girls star and daughter of news anchor Brian Williams
- Allison Williams (reporter), Fox Sports Florida sportscaster
Allison Williams (dancer, singer, actress) (born 1957) Made her Broadway debut as the Tornado Eye in the Wiz, starring Stephanie Mills. She has been featured in Guys N dolls, Pippin, Dancin, Sing Mahalia Sing, DreamGirls, Sweet Charity and Jelly's Last Jam as one of The Hunnies, with Gregory Hines, to name a few. Ms. Williams has travel the country and abroad with Various recording artist, as both a background vocalist and dancer. She may be noted for he recurring role on One life to live as a singer as well as several commercial voiceovers.