Ilona Hlaváčková (born 15 March 1977Ilona Hlaváčková bio (in Czech)) is a Czech backstroke swimmer. She competed at the 2000 and 2004 Olympics.
At the 2001 Short Course European Championships, she set the then European records in the 50 m and 100 m backstroke (27.06 and 57.75).
See also List of European records in swimming List of Czech records in swimming
References