Marina Nikişenko

Marina Nichișenco, née Marghieva (Russian: Марина Сослановна Маргиева, Marina Soslanovna Margieva; born 28 June 1986) is a female hammer thrower who competes for Moldova. Her personal best throw is 71.50 metres, achieved in January 2009 in Chişinău.

She is a former national record holder. Born in Russia, she is the older sister of Zalina Marghieva and Serghei Marghiev, and is coached by her father Soslan.

Nichișenco was due to compete at the 2012 Olympic Games but was withdrawn by her National Olympic Committee after her A-sample tested positive for stanozolol during a drug test. She was suspended for 2 years.