Irina Volodymyrivna Kalimbet (Ukrainian: ????? ????????????? ????????, later Irina Tikhanova, born 29 February 1968 in Lviv) is a Ukrainian rower who competed for the Soviet Union in the 1988 Summer Olympics.
Her husband, Vasily Tikhonov, also competed at the 1988 Olympics in rowing.
Their twin daughters Anastasia and Elizaveta are both international rowers.