Marina Antonyuk (; born 12 May 1962) is a Russian former track and field athlete who competed in the shot put. She set a personal best of in 1986.Marina Antonyuk. IAAF. Retrieved on 2016-07-30. She represented the Soviet Union at the 1991 World Championships in Athletics, finishing seventh, and at the 1990 European Athletics Championships, coming eighth.Marain Antonyuk. The Sports. Retrieved on 2016-07-30. She was a silver medallist at the 1992 IAAF World Cup behind Cuba's Belsis Laza.IAAF World Cup. GBR Athletics. Retrieved on 2016-07-30.
Antonyuk was the 1987 national shot put champion at the Soviet Athletics Championships.Soviet Championships. GBR Athletics. Retrieved on 2016-07-30.
International competitions 1990European ChampionshipsSplit, Yugoslavia8thShot put18.82 m1991World ChampionshipsTokyo, Japan7thShot put19.12 m1992IAAF World CupHavana, Cuba2ndShot put17.98 m
National titles Soviet Athletics Championships Shot put: 1987
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