| Keisaku Itokazu | |
| Position: | Pitcher |
| Birth Date: | 7 November 1984 |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | NPB |
| Debutyear: | 2009 |
| Debutteam: | Hokkaido Nippon-Ham Fighters |
| Statyear: | 2012 |
| Stat1label: | Win–loss record |
| Stat1value: | 8–8 |
| Stat2label: | ERA |
| Stat2value: | 5.12 |
| Stat3label: | Strikeouts |
| Stat3value: | 74 |
| Teams: | |
Keisaku Itokazu (糸数 敬作, born November 7, 1984) is a Japanese former professional baseball pitcher in Japan's Nippon Professional Baseball. He played for the Hokkaido Nippon-Ham Fighters from 2009 to 2012.