Kazım Ersun Yanal (Turkish pronunciation: , born 17 December 1961) is a Turkish football coach who is currently in charge of Süper Lig side Fenerbahçe. His style has always been attacking football doubled up with tactics unprecedented in Turkish Football, featuring a new scientific understanding of the game. He enjoys a very respectable place amongst Turkish coaches.
Under Yanal's managership, Ankaragücü has seen two successive seasons, becoming 6th in the 2000–01 season and 4th in the 2001–02 season. He reached the 4th round of the UEFA cup with Gençlerbirliği and was knocked out by eventual champions Valencia 2–1 on aggregate after extra-time in the second leg. He also twice lost the final of the Turkish Cup to Trabzonspor in 2003 and 2004. In April 2004 he was appointed as head coach of the Turkish National Team. Yanal's tactics showed their fruit immediately as Turkey won the Friendships Cup after beating Australia 3–1 and 1–0. Yanal's successful run was ended by South-Korea after a 2–1 defeat. His job was to secure qualification for the 2006 World Cup but despite being on target to achieving this goal, sitting in second place in the qualifying group, he was dismissed in June 2005 to be replaced by Fatih Terim, who couldn't lead the team to the finals in Germany. Yanal was named new manager of Manisaspor for the 2005–06 season. At the end of the winter break in the 2006–07 season, the club were flying high in fourth position. However, they could not keep up the results, finishing in 12th place, four points away from relegation. Yanal parted company with Manisaspor after their match at home to bottom-side Sakaryaspor was abandoned following on field violence. In October 2007 he was signed by Trabzonspor to take over from Ziya Doğan, signing a three-year deal at the club. In April 2009 he resigned his job from Trabzonspor. He has been the General Director of the Turkish Football Federation, since March 2010. On 4 October he was resigned from this job.