Krzysztof Ignaczak (born 15 May 1978) is a Polish former volleyball player, member of the Poland men's national volleyball team in 1998–2014, participant of the Olympic Games (Athens 2004, Beijing 2008, London 2012), 2014 World Champion, 2009 European Champion, gold medallist of the 2012 World League, silver medallist of the 2011 World Cup, six–time Polish Champion (2005, 2006, 2007, 2012, 2013, 2015).