Jelena Janković
| Native name | Јелена Јанковић Jelena Janković  | 
|---|---|
| Country (sports) |  Yugoslavia (2000–2003) Serbia and Montenegro (2003–2006) Serbia (2006–2022)  | 
| Residence | Dubai, United Arab Emirates | 
| Born | 28 February 1985 Belgrade, SR Serbia, SFR Yugoslavia  | 
| Height | 1.77 m (5 ft 10 in) | 
| Turned pro | 2000 | 
| Retired | 2022 | 
| Plays | Right-handed (two-handed backhand) | 
| Prize money | US$ 19,089,259 | 
| Singles | |
| Career record | 644–370 | 
| Career titles | 15 | 
| Highest ranking | No. 1 (11 August 2008) | 
| Grand Slam singles results | |
| Australian Open | SF (2008) | 
| French Open | SF (2007, 2008, 2010) | 
| Wimbledon | 4R (2006, 2007, 2008, 2010, 2015) | 
| US Open | F (2008) | 
| Other tournaments | |
| Tour Finals | SF (2008, 2009, 2013) | 
| Olympic Games | QF (2008) | 
| Doubles | |
| Career record | 109–134 | 
| Career titles | 2 | 
| Highest ranking | No. 19 (9 June 2014) | 
| Grand Slam doubles results | |
| Australian Open | 3R (2008, 2013) | 
| French Open | 3R (2013, 2014) | 
| Wimbledon | QF (2013) | 
| US Open | 3R (2006, 2013, 2014, 2015) | 
| Other doubles tournaments | |
| Olympic Games | 1R (2016) | 
| Mixed doubles | |
| Career titles | 1 | 
| Grand Slam mixed doubles results | |
| Australian Open | 2R (2007, 2012) | 
| French Open | 2R (2013, 2016) | 
| Wimbledon | W (2007) | 
| US Open | 1R (2005) | 
| Team competitions | |
| Fed Cup | F (2012), record 34–16 | 
| Hopman Cup | F (2008) | 
Jelena Janković (Serbian Cyrillic: Јелена Јанковић, Serbian pronunciation: [jělena jǎːŋkoʋitɕ]; born 28 February 1985) is a Serbian former professional tennis player. She was ranked as the world No. 1 in women's singles by the Women's Tennis Association (WTA) for 18 weeks, including as the year-end No. 1 in 2008. Janković won 15 WTA Tour-level singles titles and two doubles titles, including the 2007 Wimbledon mixed-doubles title partnering Jamie Murray. Her career-best major performance in singles was a runner-up finish at the 2008 US Open.