Adem Kñlñçcñ (; born March 5, 1986) is a Turkish professional boxer in the middleweight division. At , he weighs . He is currently a member of the Fenerbahçe Boxing Club in Istanbul. On 1 February 2017, the IOC disqualified Kñlñççñ from the 2012 Olympic Games due to an adverse test for turinabol, a finding from the IOC's 2016 wave of retesting of samples from previous Games. Kñlñççñ had ranked 5th in men's 69âÂÂ75 kg boxing.
Kñlñççñ won a silver medal at the 2004 World University Boxing Championship in Antalya, Turkey.
Kñlñççñ participated at the 2007 World Amateur Boxing Championships held in Chicago, USA and won the bronze medal at welterweight.
At the 2008 Olympics he was defeated in the first round by British boxer Billy Joe Saunders 3:14 and decided to move up to middleweight.
In 2009, Kñlñcñ gained the silver medal at the Mediterranean Games in Pescara, Italy losing to Rachid Hamani in the final.
He won the silver medal at the 2011 European Amateur Championships held in Ankara, Turkey, losing to Maxim Koptyakov of Russia.
At the 2012 Olympics he defeated Nursahat Pazziyev of Turkmenistan and Aleksandar Drenovak of Serbia before losing 13:17 to Japan's Ryà Âta Murata. But he tested positive for steroid turinabol after re-analysis of his samples, and was disqualified. He won a gold medal at the 2013 Mediterranean Games in Mersin, Turkey.