Dmitry Kosov

Dmitriy Alekseyevich Kosov (Дмитрий Алексеевич Косов; born 28 September 1968 in Vladivostok) is a retired Russian sprinter who specialised in the 400 metres. He competed at the 1992 and 1996 Summer Olympics. In addition, he won two medals at the 1995 Summer Universiade.

His personal bests in the event are 45.53 seconds outdoors (Moscow 1995) and 46.60 seconds indoors (Moscow 1993).