Alexander Onischuk

Alexander Onischuk
Onischuk in 2022
Country
Born (1975-09-03) September 3, 1975
Sevastopol, Ukrainian SSR, Soviet Union (now Ukraine)
TitleGrandmaster (1994)
FIDE rating2640 (June 2025)
Peak rating2701 (July 2010)
Peak rankingNo. 27 (July 1999)

Alexander Vasylovych Onischuk born September 3, 1975) is a chess player. He was awarded the title of Grandmaster by FIDE in 1994, and won the 2006 U.S. championship.