| Tatsuya Ozeki | |
| Position: | Outfielder / Coach |
| Team: | Saitama Seibu Lions |
| Number: | 79 |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | 24 July 1976 |
| Birth Place: | Sano, Tochigi, Japan |
| Debutleague: | NPB |
| Debutdate: | October 14 |
| Debutyear: | 1996 |
| Debutteam: | Seibu Lions |
| Finalleague: | NPB |
| Finaldate: | August 19 |
| Finalyear: | 2008 |
| Finalteam: | Yokohama BayStars |
| Statyear: | 2008 |
| Statleague: | NPB |
| Stat1label: | Batting average |
| Stat1value: | .276 |
| Stat2label: | Home runs |
| Stat2value: | 18 |
| Stat3label: | Hits |
| Stat3value: | 806 |
| Teams: | As player
As coach
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| Awards: |
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is a professional Japanese baseball player.
Mai Ozeki, his daughter, was one of the members of female idol group Country Girls.