Serghei Marghiev

Serghei Marghiev (Маргиев, Сергей Сосланович; born 6 November 1992) is a Moldovan athlete specialising in the hammer throw. He competed for Moldova at the 2012 Summer Olympics.

Born in Russia, he is the younger brother of fellow hammer throwers, Zalina Marghieva and Marina Nikişenko.