| Chinatsu Matsui | |
| Residence: | Kawasaki, Japan |
| Birth Date: | 8 August 1977 |
| Birth Place: | Kawasaki, Japan |
| Turnedpro: | 2001 |
| Plays: | Left Handed |
| Coach: | Yoshihiro Watanabe |
| Racquet: | Head |
| Event: | Women's singles |
| Highest Ranking: | No. 50 |
| Date Of Highest Ranking: | September, 2007 |
| Titles: | 1 |
| Finals: | 4 |
| Updated: | August, 2013 |
is a professional squash player who represents Japan. She reached a career-high world ranking of World No. 50 in September 2007.[1] [2]