Iryna Vasiliyevna Yatchenko (Belarusian: ????? ???????, Russian: ????? ?????????? ???????; born 31 October 1965) is a Belarusian former discus thrower best known for winning two Olympic bronze medals at the 2000 Summer Olympics and 2004 Summer Olympics, although she was eventually stripped of the latter medal due to a doping offence.
She also became world champion at the 2003 World Championships in Athletics.
Her personal best is 69.14 metres, achieved in July 2004 in Minsk.