Egor Leonidovich Mekhontsev (Егор Леонидович Мехонцев, transliteration Egor Leonidovich Mechoncev; born on 14 November 1984 in Asbest, Sverdlovsk Oblast, Russian SFSR, USSR) is a Russian professional boxer, who as an amateur boxer among other achievements won gold at 2012 London Olympics at light heavyweight division.
Southpaw Mekhontsev won a silver medal in the 2004 Light-heavyweight Russian senior national championships losing to Mikhail Gala in the final and won another silver in 2005 again losing to Gala in the semi-final by 39:26.
The following year in 2006 he won bronze losing to Artur Beterbiyev 41:30 in the semi-final and in 2007 another bronze losing to Evgeni Makarenko.
Mekhontsev then moved up to the heavyweight 201 lbs limit division and won the 2008 Russian national championships beating Evgeniy Romanov in the final by a score of 19-5.
At the 2008 European Amateur Boxing Championships in Liverpool he defeated Nasi Hani (Macedonia) INJ RND 4, Stephen Simmons (boxer) (Scotland) 14-1, Petrisor Gananau (Romania) 5-2 and won Gold after defeating Armenia's Tsolak Ananikyan 9-2 in the final.
At the 2009 World Amateur Boxing Championships – Heavyweight he upset Clemente Russo and beat fellow southpaws Oleksandr Usyk in the semifinal and Osmay Acosta in the final.
Mekhontsev successfully defended his title at the 2010 European Amateur Boxing Championships against Denis Poyatsika and Tervel Pulev.
For the 2011 World Amateur Boxing Championships he traded weightclasses with Beterbiyev and dropped to light heavy. He beat Marcus Browne and Oleksandr Hvozdyk but was upset by young Cuban Julio César la Cruz and won Bronze.
At the 2012 Olympics he beat Damien Hooper, Elshod Rasulov, Yamaguchi Falcao in the semifinals and won Gold by defeating Adilbek Niyazymbetov.
Mekhontsev turned professional in October 2013, signing with boxing promotion company Top Rank, which has also signed up a number of other 2012 olympic medallists.
Mekhontsev made his professional debut on December 7, 2013, dominating and knocking down opponent PJ Cajagas three times before the referee stopped the contest in the third round.