Jay Williams may refer to:
Music
<!---Jay Williams (musician) redirects here--->
- J. Williams (singer) (born 1986), New Zealand R&B singer
- Jay Williams, retired British musician, former member of British band Love City Groove (1994–96)
- Jay Williams, guitarist and composer, former member of British band The Broken Family Band (2002–2009)
Sports
- Jay Williams (American football) (born 1971), professional football player
- Jay Williams (basketball) (born 1981), also known as Jason Williams, professional basketball player
- Jay Williams (footballer) (born 2000), English footballer for Harrogate Town
Other people
- Jay Williams (author) (1914–1978), author of children's books
- Jay Williams (Medal of Honor) (1872–1938), American sailor and Medal of Honor recipient
- Jay Williams (politician) (born 1971), mayor of Youngstown, Ohio
See also
- Jason Williams (disambiguation)