Mezue ahịrịokwu na-esonụ: Ivan Usov (amụrụ 7 Ọktoba 1977) bụ onye na-egwu mmiri n'efu si Russia. O ritere ihe nrite ọla edo na 4×100 freestyle relay na 2003 World Aquatics Championships na ọlaọcha na 4×100 freestyle na
2004 European Championship na Madrid. Ọ nọchitere anya obodo ya na 2004 Summer Olympics na Atens, ebe ọ na-egwu mmiri na prelims nke 4 × 100 m freestyle.