Natsumi Hamamura
Natsumi Hamamura is a Japanese former professional tennis player.
Hamamura has a career-high singles ranking of world No. 203, achieved on 25 February 2008. On 20 August 2007, she peaked at No. 194 in the WTA doubles rankings. In her career, she won three singles titles and nine doubles titles on the ITF Women's Circuit.
Hamamura made her WTA Tour main-draw debut at the 2010 Japan Women's Open, in the doubles event partnering Miki Miyamura.
ITF finals
Singles (3–3)
| Outcome | No. | Date | Location | Surface | Opponent | Score | |||||||||||||
| Winner | 1. | 7 November 2004 | Sutama, Japan | Clay |  Doubles (9–9)
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