Vadim Zadoynov

Vadim Zadoynov (, born 24 May 1969) is a Moldovan athlete who specialized in the 400 metres hurdles.

Zadoynov was born in Chişinău. He won the bronze medal for the Soviet Union at the 1988 World Junior Championships. At the 1990 European Championships he finished fourth in the 400 m hurdles and eighth in the 4 × 400 m relay. At the 1992 Olympic Games he was knocked out in the heats.

Zadoynov's personal best time was 48.61 seconds, achieved at the 1990 European Championships in Split.

International competitions