There are 7 mathematicians whose last name begin with HAGI.
| Hagihara, Kei | University of Tokyo | 2003 |
| Hagihara, Rika | The University of North Carolina at Chapel Hill | 2007 |
| Hagin, Frank | University of Colorado at Boulder | 1966 |
| Hagis, Jr., Peter | University of Pennsylvania | 1959 |
| Hagiwara, Manabu | University of Tokyo | 2002 |
| Hagiwara, Miwako | University of California, San Diego | 1990 |
| Hagiya, Masami | Kyoto University | 1988 |