Alexander Ivanov (born May 1, 1956) is a Soviet-born American chess grandmaster. Born in Omsk, he was joint US champion in 1995 (with Nick de Firmian and Patrick Wolff), and Pan American champion in 1998. In 2007 he tied for first place with Julio Granda, Varuzhan Akobian, Darcy Lima and Eduardo Iturrizaga in the American Continental Championship in Cali.
Ivanov competed in four FIDE World Championships (1999, 2000, 2002 and 2004) and four FIDE World Cups (2005, 2007, 2009 and 2011).
He played for the Soviet team in the World U26 Team Championship in 1978, winning the team silver medal, and in 1980, taking two gold medals. Ivanov played for the US team in the 2002 Chess Olympiad.