Igor Knyazev (born 27 January 1983) is a Russian former professional ice hockey defenceman.
Knyazev was drafted in the first-round, 15th overall by the Carolina Hurricanes in the 2001 NHL Entry Draft.
He spent two seasons in the American Hockey League with the Lowell Lock Monsters and the Springfield Falcons before returning to the Russian Super League in 2004.
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