Jeff Williams (born January 12, 1978) is an American tennis player.

Williams has a career high ATP singles ranking of 337 achieved on August 5, 2002. He also has a career high ATP doubles ranking of 180, achieved on July 31, 2000. Williams has won 2 ITF singles titles.

No.	Date	Tournament	Surface	Partner	Opponents in the final	Score
1.	August 8, 1999	Decatur, USA F13	Hard	Gareth Williams	Matthew Breen John James	6–4, 6–2
2.	August 15, 1999	Kansas City, USA F14	Hard	Gareth Williams	Michael Passarella Jakub Teply	6–0, 6–2
3.	November 7, 1999	Hattiesburg, USA F17	Hard	Gareth Williams	Zack Fleishman Kelly Gullett	6–3, 6–3
4.	December 5, 1999	Laguna Niguel, USA F21	Hard	Gareth Williams	Oren Motevassel Alexander Waske	2–6, 7–5, 6–2
5.	January 16, 2000	Pembroke Pines, USA F1	Hard	Gareth Williams	Rafael de Mesa Irakli Labadze	6–4, 6–1
6.	January 30, 2000	Boca Raton, USA F3	Hard	Gareth Williams	Marcos Daniel Manuel Jorquera	7–6(5), 6–2
7.	August 6, 2000	Decatur, USA F21	Hard	Jason Cook	Geoff Abrams Ramsey Smith	2–4, 4–0, 4–2, 2–4, 5–3
8.	November 26, 2000	Puebla, Mexico	Hard	Zack Fleishman	Ivo Heuberger Ville Liukko	6–3, 6–4
9.	July 22, 2001	Joplin, USA F18	Hard	Ryan Sachire	Peter Luczak Chris Magyary	7–5, 6–3
10.	June 9, 2002	Tallahassee, USA	Hard	Levar Harper-Griffith	Huntley Montgomery Brian Vahaly	6–3, 4–6, 6–4

• Jeff Williams at the Association of Tennis Professionals
• Jeff Williams at the International Tennis Federation