There are 6 mathematicians whose last name begin with RUU.
| Ruud, Brian | University of Washington | 1996 |
| Ruud, Paul | Massachusetts Institute of Technology | 1981 |
| Ruuska, Vesa | 1996 | |
| Ruusunen, Jukka | ||
| Ruuth, Steven | University of British Columbia | 1996 |
| Ruuth (formerly Salovaara), Sampo | Teknillinen korkeakoulu | 1967 |