There are 5 mathematicians whose last name begin with HALLG.
| Hallgren, Jonas | Kungliga Tekniska Högskolan | 2016 |
| Hallgren, Maximilien | Cornell University | 2022 |
| Hallgren, Sean | University of California, Berkeley | 2000 |
| Hallgrimsdottir, Ingileif | University of California, Berkeley | 2005 |
| Hallgrímsson, Haraldur | University of California, Santa Barbara | 2020 |