Tatyana Petrovna Zelentsova is a former Soviet Russian hurdler. She set two world records in the women's 400 metres hurdles and won the European Championship in 1978. After her athletic career she remained active in the sport as a coach.

The 400 metres hurdles is a track and field hurdling event. The event has been on the Olympic athletics programme since 1900 for men and since 1984 for women.