Aleksey Andreyevich Yakimenko (Russian: ??????? ????????? ????????; born 31 October 1983) is a Russian sabre fencer, eight-time team world champion (2002, 2003, 2005, 2010, 2011, and 2013, 2015, 2016), eleven-time European champion (team and individual), and team bronze medallist in the 2004 Summer Olympics.
He won the Fencing World Cup series three times (2004–05, 2006–07, 2010–11), with fifteen titles to his name, and earned five gold medals in the Universiade.