Margarita Ponomaryova, Russian hurdler
Margarita Anatolyevna Ponomaryova (Russian: Маргарита Хромова-Пономарева; 19 June 1963 – 16 September 2021), also known as Margarita Khromova, was a hurdler from Russia, best known for setting the world record in the women's 400 metres hurdles in 1984 with 53.58 secs.

Ponomaryova was known by her married name of Khromova from 1985 to 1989, before reverting to her maiden name from 1990 onward.