| Country (sports) |  Japan |
|---|---|
| Residence | Tokyo |
| Born | 11 January 1987 Tokyo |
| Plays | Right (two-handed backhand) |
| Prize money | $112,745 |
| Singles | |
| Career record | 228–204 |
| Career titles | 4 ITF |
| Highest ranking | No. 287 (12 August 2013) |
| Doubles | |
| Career record | 183–121 |
| Career titles | 18 ITF |
| Highest ranking | No. 189 (12 May 2014) |
Mari Tanaka (田中 麻里, Tanaka Mari, born January 11, 1987) is a former Japanese tennis player.
In her career, she won four singles titles and 18 doubles titles on the ITF Women's Circuit. In August 2013, she achieved a career-high singles ranking of world No. 287. On 12 May 2014, she peaked at No. 189 in the doubles rankings by the Women's Tennis Association (WTA).