Lada Vondrová (born 6 September 1999) is a Czech athlete. She competed in the women's 400 metres at the 2018 IAAF World Indoor Championships where she finished 13th in the semifinal. At the 2019 World Athletics Championships in the 400 meters Vondrová finished the semifinals in 20th place. Vondrová competed in the Tokyo Olympics in the 400 meters, where she got a personal best of 51.14 seconds.