Serhiy Haiduchenko (Ukrainian: ?????? ??????????; Russian: ?????ยด? ??????????, Sergei Gaiduchenko; born 6 June 1989) is a Ukrainian professional ice hockey goaltender.
His career lasted from 2006 until 2017, mainly spent in the Kontinental Hockey League (KHL).
He was also selected by the Florida Panthers in the 2007 NHL Entry Draft, though never played in North America.
Internationally Gaiduchenko played for Ukraine in two World Championships, in 2014 and 2018, both at the Division I level.