Mariya Ovchinnikova

Mariya Anatolyevna Ovchinnikova (Мария Анатольевна Овчинникова, also known as Mariya Yefremova; born 19 October 1998 in Temirtau) is a Kazakhstani athlete specialising in the triple jump. She represented her country at the 2017 World Championships without advancing to the final. In addition, she won a gold medal at the 2017 Asian Championships. She also represented Kazakhstan at the 2022 World Athletics Championships, competing in Triple jump.

Personal bests
Outdoor
 * Long jump – 6.13 (+0.5 m/s, Almaty 2017)
 * Triple jump – 13.94 (0.0 m/s, Almaty 2017)

Indoor
 * Long jump – 5.92 (Kamenogorsk 2017)
 * Triple jump – 13.49 (Kamenogorsk 2017)