Katarzyna Gajgal-Aniol (née Biel) (born 21 September 1981) is a female Polish volleyball player, a member of Poland women's national volleyball team in 2003–14 and Polish club KPS Chemik Police, a participant of the Olympic Games Beijing 2008, bronze medalist of European Championship 2009), four-time Polish Champion (2004, 2011, 2014, 2015).