Zuzana Hejnová is a Czech athlete. She competes in the 100 metres, the 100 metres hurdles, the 400 metres and the 400m hurdles and often the heptathlon, particularly as a junior. Hejnová won the first round of the Women's 400m Hurdles at the 2012 Summer Olympics. On 8 August 2012 Hejnová won the bronze medal in the finals.