Oleksandr Rybka (Ukrainian: Олександр Євгенович Рибка; born 10 April 1987 in Kiev, Ukrainian SSR, Soviet Union) is a Ukrainian professional football goalkeeper. He was a goalkeeper for the Ukrainian national under-21 football team along with Bohdan Shustbecoming the vice-champion at the 2006 UEFA European Under-21 Football Championship.
In the 2007–2008 season, due to injury, he made four appearances for FC Dynamo Kyiv conceding 3 goals. He then made his UEFA Champions League debut against Real Madrid C.F. in 2006/2007 season's group stage. Dynamo lost the game 5–1 in Madrid and Rybka made a memorable performance, even though he conceded a 5th and final goal of the match from a penalty kick.
Rybka received a two year ban after testing positive for a prohibited substance diuretic in a league game against Karpaty Lviv in November 2011 lasting until January 10, 2014 meaning he would miss the 2012 UEFA European Championships which were being co-hosted by Ukraine alongside Poland.