Alon Greenfeld (Hebrew: אלון גרינפלד; born 17 April 1964, New York City) is an Israeli chess grandmaster (GM).
As of April 2007, his Elo rating was 2557, making him the # 12 player in Israel and the 286th-highest rated player in the world. His peak rating was 2610 in 1994.
In 1982, he was European Junior Sub-Champion.
More recently, Alon has concentrated in the fields of chess coaching. His most famous pupil has been Emil Sutovsky (who is now  working as a second for Gata Kamsky). He travels regularly to India, and works with a number of promising young Indian players e.g. Vidit. Asked what his best game was Greenfeld unhesitatingly replied: "My game against GM Boyce at Jersey 2004."
Alon Greenfeld played for Israel in five Chess Olympiads.
His best individual achievement was a victory at Pardubice 1993.
Greenfeld was awarded the International Master (IM) title in 1983, and the GM title in 1989.