Nickname(s) J.J. (in the media),Jeca (in Serbia),Jelly(in the UK) Country Serbia
Residence Bradenton, Florida
Date of birth February 28, 1985 (1985-02-28) (age 23)
Place of birth Belgrade, Serbia then SFR Yugoslavia
Height 1.77 m (5 ft 9+1⁄2 in)
Weight 59 kg (130 lb/9.3 st)
Turned pro February 6, 2000
Plays Right; Two-handed backhand
Career prize money $4,946,612

Jelena Jankovic (Serbian: Јелена Јанковић, Jelena Janković) is a Serbian professional female tennis player born on February 28, 1985, who, as of July 7, 2008, is ranked World No. 2.

Jankovic has reached the singles semifinals of the Australian Open, the French Open, and the US Open. In 2007, she won the mixed doubles title with British partner Jamie Murray at Wimbledon.