Krzysztof Ignaczak was born in Wałbrzych, Poland. He is married to Iwona. They have two children: a son, Sebastian, and a daughter, Dominika (who was born after the European Championship 2009). His best friend was volleyball player Arkadiusz Gołaś, who died in a tragic car accident in 2005. Since then Ignaczak played with his shirt number – 16.