Aziz Yıldırım (born 2 November 1952) was the 36th chairman of the Turkish multi-sport club Fenerbahçe SK. He lost the election held on 3 June 2018 to Ali Koç which made him the 37th president of the Turkish club. He served the club as the president from 1998 to 2018. He has a degree in civil engineering.

Club's honours
Football
• UEFA Champions League : 2007–08 (Quarter Final)
• UEFA Europa League : 2012–13 (Semi Final)
• Turkish Süper Lig  : 2000–01, 2003–04, 2004–05, 2006–07, 2010–11, 2013–14
• Türkiye Kupası (2): 2011-2012, 2012-2013
• Süper Kupa (3): 2007, 2009, 2014
• Başbakanlık Kupası  : 1998
• Atatürk Kupası  : 1998
Men's basketball
• EuroLeague : 2016–17, 2015–16 (Runner-up), 2017–18 (Runner-up), 2014–15 (Fourth)
• TBL : 2006–07, 2007–08, 2009–10, 2010–11, 2013–14, 2015–16, 2016–17
• Türkiye Kupası: 2009–10, 2010–11, 2012–13, 2015–16
• Cumhurbaşkanlığı Kupası  2006–07, 2012–13, 2015–16, 2016–17
Women's basketball[edit]
• EuroLeague Women: 2012–13 (Runner-up), 2013–14 (Runner-up), 2016–17 (Runner-up), 2015–16 (Third), 2011–12 (Fourth), 2014–15 (Fourth)
• TKBL  1998–99, 2001–02, 2003–04, 2005–06, 2006–07, 2007–08, 2008–09, 2009–10, 2010–11, 2011–12, 2012–13, 2015–16, 2017–18
• Türkiye Kupası  1998–99, 1999–00, 2000–01, 2003–04, 2004–05, 2005–06, 2006–07, 2007–08, 2008–09, 2014–15, 2015–16
• Cumhurbaşkanlığı Kupası  1998–99, 1999–00, 2000–01, 2003–04, 2004–05, 2006–07, 2009–10, 2011–12, 2012–13, 2013–14, 2014–15
Men's volleyball
• CEV Challenge Cup : 2013–14
• BVA Kupası : 2009–10, 2013–14
• Voleybol Ligi : 2007–08, 2009–10, 2010–11, 2011–12
• Türkiye Kupası 2007–08, 2011–12, 2016–17
• Voleybol Süper Kupa : 2011, 2012, 2017
Women's volleyball[edit]
• FIVB Volleyball Women's Club World Championship : 2010, 2012 (Third)
• Women's CEV Champions League : 2011–12, 2009–10 (Runner-up), 2015–16, 2010–11 (Third)
• Women's CEV Cup  2013–14, 2012–13 (Runner-up), 2008–09 (Third)
• Voleybol Ligi  2008–09, 2009–10, 2010–11, 2014–15, 2016–17
• Türkiye Kupası : 2009–10, 2014–15, 2016–17
• Voleybol Süper Kupa  2009, 2010, 2015
Athletics[edit]
• Avrupa Kulüpler Şampiyonası (Men's) : 1998, 2006 (Runner-up)
• Avrupa Kulüpler Şampiyonası (Women's): 1998 (Runner-up)
Boxing[edit]
• Avrupa Kulüpler Şampiyonası: 1999 (Runner-up)
Swimming
• CIJ Meet Kupası  2004, 2005
Table Tennis[edit]
• ETTU Champions League (1) : 2014–15, 2013–14 (Runner-up)
• ETTU Kupası  2011–12, 2012–13, 2007–08 (Runner-up)
Personal life
Yıldırım was born in Ergani. He has 3 daughters, two of whom are from his first marriage.
Main article: 2011 Turkish sports corruption scandal
On 2 July 2012, a Turkish Special Authority Court sentenced Yıldırım to three years and nine months for match-fixing and two years and six months for forming an illegal organization. The sentence was later approved by the Turkish Supreme Court of Appeals. He was detained for one year in Metris Prison together with several other sportspeople involved in the scandal. However, on 6 March 2014 special authority courts were abolished in Turkey. On 23 July 2014, his earlier retrial demand was accepted, meaning that he and all the people involved will have a retrial about this case.The first trial of the retrial process was made on 24 April 2015. On 9 October 2015, the courts acquitted Aziz Yıldırım and all the people who were charged at the beginning of the investigation, pending the Supreme Court's approval. Fenerbahce declared that after the Supreme Court's approval, they would take every action to be compensated from all of the damages that has been done to the club by this investigation and previous court rulings. In June 2018 Yildirim faced fierce competition in his bid to be reelected president of Fenerbahce, a role he had held since 1998. He lost to Ali Koc.[1]