| Masaru Hashimoto | |
| Office: | Governor of Ibaraki Prefecture |
| Term Start: | 26 September 1993 |
| Term End: | 25 September 2017 |
| Alma Mater: | University of Tokyo |
| Predecessor: | Fujio Takeuchi |
| Successor: | Kazuhiko Ōigawa |
| Birth Date: | 1945 11, df=y |
| Birth Place: | Tōkai, Ibaraki, Japan |
is Japanese politician who was the governor of Ibaraki Prefecture from 1993 to 2017.
Masaru Hashimoto was born on 19 November 1945 in Tōkai, Ibaraki Prefecture.
He is a graduate of the University of Tokyo, and joined the Ministry of Home Affairs in 1969.