| Kazuki Mishima | |
| Position: | Pitcher |
| Team: | Yokohama DeNA BayStars |
| Number: | 17 |
| Bats: | Switch |
| Throws: | Right |
| Birth Date: | 7 May 1990 |
| Birth Place: | Fukuoka, Fukuoka, Japan |
| Debutdate: | March 31 |
| Debutyear: | 2013 |
| Debutteam: | Yokohama DeNA BayStars |
| Debutleague: | NPB |
| Statyear: | 2023 season |
| Stat1label: | Win–loss record |
| Stat1value: | 36-33 |
| Stat2label: | Earned run average |
| Stat2value: | 4.39 |
| Stat3label: | Strikeouts |
| Stat3value: | 543 |
| Stat4label: | Saves |
| Stat4value: | 42 |
| Stat5label: | Holds |
| Stat5value: | 56 |
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is a professional Japanese baseball player. He currently pitches for the Yokohama DeNA BayStars.