There are 8 mathematicians whose last name begin with HAJA.
| Hajac, Piotr | University of California, Berkeley | 1994 |
| Hajal, Mounir | Université de Grenoble | 1967 |
| Hajal, Mounir | Université de Grenoble | 1961 |
| Hajali, Najoua | Université Claude Bernard Lyon 1 | 2005 |
| Hajallie, Kamal | Polytechnic University | 1992 |
| Hajarian, Masoud | Amirkabir University of Technology (Tehran Polytechnic University) | 2010 |
| Hajarnavis, Charudatta | University of Leeds | 1970 |
| Hajas, Wayne | University of Manitoba | 1999 |