Oleg Lisogor (born 17 January 1979, Brovary, Kyiv oblast) is a Ukrainian swimmer who is the current world record holder on 50 metres breaststroke, short course, with 26.17 seconds.
The record was made in Berlin on 21 January 2006, when Lisogor beat his own 50 m breaststroke record from January 2002 of 26.20 seconds. Lisogor also holds the long course record, with 27.18 from August 2002, and became World Champion on that distance in 2001
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