There are 33 mathematicians whose last name begin with SPIR.
| Spira, Alon | Technion-Israel Institute of Technology | 2006 |
| Spira, Michel | University of California, Berkeley | 1987 |
| Spira, Philip | Stanford University | 1968 |
| Spira, Robert | ||
| Spira, Robert | University of California, Berkeley | 1962 |
| Spirakis, Paul | Harvard University | 1982 |
| Spircu, Liliana | University of Bucharest | 1981 |
| Spircu, Tiberiu | Institute of Mathematics of the Romanian Academy | 1979 |
| Spiridon, Catalin | University of Craiova | 2011 |
| Spiridonov, Alexey | Massachusetts Institute of Technology | 2009 |
| Spirig, Franz | ETH Zürich | 1978 |
| Spirin, Sergei | Lomonosov Moscow State University | 2000 |
| Spiring, Frederick | University of Manitoba | 1988 |
| Spirito, Dario | Università degli Studi di Roma Tre | 2016 |
| Spirito, Stefano | Università degli Studi dell'Aquila | 2012 |
| Spirkl, Sophie | Princeton University | 2018 |
| Spirling, Arthur | University of Rochester | 2008 |
| Spirn, Daniel | New York University | 2001 |
| Spirn, Jeffrey | Princeton University | 1973 |
| Spiro, Andrea | University of Minnesota - Twin Cities | 1992 |
| Spiro, Claudia | University of Illinois at Urbana-Champaign | 1981 |
| Spiro, Ian | 2012 | |
| Spiro, Michael | Massachusetts Institute of Technology | 1965 |
| Spiro, Neta | Universiteit van Amsterdam | 2007 |
| Spiro, Peter | University of Utah | 1997 |
| Spiro, Sam | University of California, San Diego | 2022 |
| Spiro, Thomas | Massachusetts Institute of Technology | 1960 |
| Spiroff, Sandra | University of Illinois at Urbana-Champaign | 2003 |
| Spiros, Athan | University of British Columbia | 1998 |
| Spirova, Cvetelina | Technical University, Sofia | 2022 |
| Spirovska, Kristina | École Polytechnique Fédérale de Lausanne (EPFL) | 2020 |
| Spirtes, Peter | University of Pittsburgh | 1981 |
| Spiryaev, Maxim | Lomonosov Moscow State University | 2012 |