| Alex Yermolinsky | |
| Country: | Soviet Union (until 1991) United States (since 1991) |
| Birth Date: | 11 April 1958 |
| Birth Place: | Leningrad, Russian SFSR, Soviet Union |
| Grandmaster (1992) | |
| Peakrating: | 2660 (January 1998) |
| Peakranking: | No. 21 (January 1998) |
| Fideid: | 2005492 |
Alex Yermolinsky (ru|Алексей Ермолинский|translit=Alexey Yermolinskiy; born April 11, 1958) is an American chess player. Awarded the title of Grandmaster by FIDE in 1992, he is a two-time U.S. champion.
Yermolinsky tied for first with Vladislav Vorotnikov in the Leningrad City Chess Championship in 1985. In 1993, Yermolinsky won the U.S. Chess Championship, tying for first place with Alexander Shabalov. In 1996 he was the sole champion. He won the World Open in Philadelphia three times: in 1993, 1995 and 1996; in 1999 he shared first with nine other players, but Gregory Serper won the playoff. In 2001 he won the American Continental Championship in Cali, Colombia.[1]
In 2012 Yermolinsky was inducted into the US Chess Hall of Fame.[2]
He is a regular commentator and presenter on the Internet Chess Club.