Gilles Müller
| Country (sports) | Luxembourg | 
|---|---|
| Residence | Reckange-sur-Mess, Luxembourg | 
| Born | 9 May 1983 Luxembourg City, Luxembourg | 
| Height | 1.93 m (6 ft 4 in) | 
| Turned pro | 2001 | 
| Retired | 2018 | 
| Plays | Left-handed (two-handed backhand) | 
| Prize money | US$5,991,874 | 
| Singles | |
| Career record | 233–213 | 
| Career titles | 2 | 
| Highest ranking | No. 21 (31 July 2017) | 
| Grand Slam singles results | |
| Australian Open | 4R (2015) | 
| French Open | 2R (2012, 2015) | 
| Wimbledon | QF (2017) | 
| US Open | QF (2008) | 
| Other tournaments | |
| Olympic Games | 3R (2016) | 
| Doubles | |
| Career record | 61–88 | 
| Career titles | 0 | 
| Highest ranking | No. 74 (1 May 2017) | 
| Grand Slam doubles results | |
| Australian Open | 2R (2016, 2017) | 
| French Open | 1R (2005, 2006, 2013, 2015, 2016) | 
| Wimbledon | 2R (2014, 2015) | 
| US Open | 2R (2015, 2016) | 
| Last updated on: 14 August 2021. | |
Gilles Müller (Luxembourgish pronunciation: [ˈʒil ˈmylɐ]; born 9 May 1983) is a Luxembourgish former professional tennis player. He is a two-time major singles quarterfinalist, making him by far the most successful male tennis player in Luxembourgish history. Müller won two titles on the ATP Tour and achieved a career-high ATP singles ranking of world No. 21 on 31 July 2017. He was known for his powerful left-handed serve and net skills. Following his retirement, Müller was appointed as Luxembourg's Davis Cup team captain.