Vadim Zadoinov

{{short description|Moldovan hurdler}}

Vadim Zadoynov ({{langx|ru|Вадим Задойнов}}, born 24 May 1969) is a Moldovan athlete who specialized in the 400 metres hurdles.

Zadoynov was born in Chişinău.{{cite web|url=https://www.sports-reference.com/olympics/athletes/za/vadim-zadoinov-1.html|archive-url=https://web.archive.org/web/20200418025035/https://www.sports-reference.com/olympics/athletes/za/vadim-zadoinov-1.html|url-status=dead|archive-date=18 April 2020|title=Vadim Zadoynov|publisher=Sports-Reference.com|access-date=26 February 2009}} He won the bronze medal for the Soviet Union at the 1988 World Junior Championships.{{World Athletics}} At the 1990 European Championships he finished fourth in the 400 m hurdles and eighth in the 4 × 400 m relay.{{Cite web|url=https://www.sport-olympic.gr/sp/index.php/athletics/competitions/area-competitions/european-competitions-in-athletics/95-european-championships/4261-1990-15th-european-championships-split|title=1990 15th European Championships - Split|website=www.sport-olympic.gr|access-date=2020-04-12}} At the 1992 Olympic Games he was knocked out in the heats.

Zadoynov also competed at the World Championships in 1993, 1995, 1997 and 1999, and only reached the semi-final once; in 1997. He was also knocked out in the heats at the Olympic Games in 1996 and 2000. He finished seventh at the 1994 European Championships and fifth at the 1998 European Championships.{{cite news |title=Results |url=https://www.newspapers.com/article/daily-press/131434269/ |access-date=8 September 2023 |work=Daily Press |date=21 August 1998}}

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