There are 12 mathematicians whose last name begin with HARRO.
| Harrod, Scott | Dartmouth College | 1970 |
| Harrod, William | University of Tennessee - Knoxville | 1982 |
| Harrold, Mary | University of Pittsburgh | 1988 |
| Harrold, Jr., Orville | Stanford University | 1936 |
| Harron, Robert | Princeton University | 2009 |
| Harrop, Frederick | Brown University | 1978 |
| Harrop, Ronald | University of Cambridge | 1953 |
| Harrop, Verlé | Massachusetts Institute of Technology | 2002 |
| Harrop-Griffiths, Benjamin | University of California, Berkeley | 2015 |
| Harroudi, Sanaa | Université Hassan II de Casablanca | 2019 |
| Harrow, Aram | Massachusetts Institute of Technology | 2005 |
| Harrow, Keith | New York University | 1973 |