Leanne Baker
| Country (sports) | New Zealand | 
|---|---|
| Residence | Te Awamutu, New Zealand | 
| Born | 8 January 1981 Hamilton, New Zealand  | 
| Height | 1.73 m (5 ft 8 in) | 
| Turned pro | 1998 | 
| Retired | 2008 | 
| Plays | Left-handed (one-handed backhand) | 
| Prize money | $136,918 | 
| Singles | |
| Career record | 262–206 | 
| Career titles | 7 ITF | 
| Highest ranking | No. 260 (26 February 2007) | 
| Doubles | |
| Career record | 241–194 | 
| Career titles | 18 ITF | 
| Highest ranking | No. 108 (17 January 2005) | 
| Grand Slam doubles results | |
| Australian Open | 1R (2005) | 
| Wimbledon | 1R (2004) | 
Leanne Baker (born 8 January 1981) is a former New Zealand professional tennis player, and a former United States club rugby player. She is currently the head coach of the Chicago Women's Rugby Football Club.
Her tennis career-high singles ranking is world No. 260, which she reached on 26 February 2007. Her career-high doubles ranking is No. 108, set at 17 January 2005.