Irina Lenskiy (Hebrew: אירנה לנסקי; born 12 June 1971) is an Israeli athlete who specializes in the 100 metres hurdles.
She is Jewish, and was a Ukrainian citizen, known as Irina Lenskaya, until 1999 when she emigrated to Israel. She also held the surname Omelchenko for a period.
In Israel she represents the sports club . She stands 1.76 m (5 ft 9 1⁄2 in) tall and weighed about 126 pounds (57 kg) during her active career. Her daughter Olga (born 1992) competed in sprints at the 2009 World Youth Championships.
By the time of migrating to Israel she had already taken part in the 1995 and 1997 World Championships, both in the 400 metres hurdles. Her personal best time was 55.69 seconds, achieved in June 1996 in Kiev, and she also had 52.60 seconds in the 400 metres, achieved in 1997.
In the short hurdles distances (100 and 60 metres) she competed at the 2001 World Indoor Championships, the 2001 World Championships, the 2002 European Indoor Championships, the 2002 European Championships, the 2003 World Championships, the 2004 Olympic Games, the 2006 European Championships and the 2009 World Championships without reaching the final. In the 4 x 400 metres relay she competed at the 2003 World Championships without reaching the final.