| Natsuki Takeuchi | |
| Position: | Pitcher |
| Team: | Saitama Seibu Lions |
| Number: | 21 |
| Bats: | Left |
| Throws: | Left |
| Birth Date: | 21 July 2001 |
| Birth Place: | Kitakyushu, Fukuoka, Japan |
| Debutleague: | NPB |
| Debutdate: | April 3 |
| Debutyear: | 2024 |
| Debutteam: | Saitama Seibu Lions |
| Statyear: | 2024 season |
| Stat1label: | Win–loss record |
| Stat2label: | Earned Run Average |
| Stat3label: | Strikeouts |
| Stat4label: | Saves |
| Stat5label: | Holds |
| Teams: |
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is a professional Japanese baseball player. He plays pitcher for the Saitama Seibu Lions.[1] [2]