There are 100 mathematicians whose last name begin with PIR.
| Pir, Ata | Texas A&M University | 2018 |
| Piraino, Mark | University of Victoria | 2019 |
| Pirak, Chaiyod | Chulalongkorn University | 2005 |
| Piramuthu, Selwyn | University of Illinois at Urbana-Champaign | 1992 |
| Piran, Tsvi | Hebrew University of Jerusalem | 1976 |
| Pirandola, Stefano | Università degli Studi di Camerino | 2005 |
| Pirani, Félix | University of Cambridge | 1956 |
| Piranian, George | Rice University | 1943 |
| Pirashvili, Ilia | University of Leicester | 2016 |
| Pirashvili, Teimuraz | Institute of Mathematics, National Academy of Sciences of Belarus | 1981 |
| Pirastu, Roberto | Johannes Kepler Universität Linz | 1996 |
| Pirastu, Roberto | Johannes Kepler Universität Linz | 1996 |
| Piratla, Nischal | Colorado State University | 2005 |
| Piratla, Vihari | 2022 | |
| Piraux, Joël | ||
| Piraux, Remi | Université Pierre-et-Marie-Curie - Paris VI | 1980 |
| Pirayre, Aurélie | Université Paris-Est | 2017 |
| Pirc, Mitja | Universitat Pompeu Fabra | 2008 |
| Pircalabelu, Eugen | Katholieke Universiteit Leuven | 2015 |
| Pireaux, Sophie | Université Catholique de Louvain | 2002 |
| Pireddu, Marina | Università degli Studi di Udine | 2009 |
| Pires, Ana | Massachusetts Institute of Technology | 2010 |
| Pires, Benito | ||
| Pires, Bernardo | Carnegie Mellon University | 2011 |
| Pires, Carlos | Université Pierre-et-Marie-Curie - Paris VI | 1996 |
| Pires, Carlos | Universidade Estadual Paulista, São Paulo | 1999 |
| Pires, E. | University of Texas at Austin | 1982 |
| Pires, Gabriel | University of Wisconsin-Madison | 1995 |
| Pires, Leonardo | 2016 | |
| Pires, Marília | Instituto Superior Técnico | 2005 |
| Pires-da-Costa, Américo | ||
| Pires de Campos, Jose | Brandeis University | 1998 |
| Pires de Vasconcelos, Ivan | Colorado School of Mines | 2007 |
| Piret, Cecile | University of Colorado at Boulder | 2007 |
| Piret, Gilles | Université Catholique de Louvain | 2005 |
| Piret, Kathy | University of Illinois at Chicago | 2008 |
| Pirhadi, Ali | Oklahoma State University | 2021 |
| Pirhayati, Mohammad | Universität Potsdam | 2016 |
| Piri, Mohammad Reza | Yazd University | 2022 |
| Piribauer, Jakob | Technische Universität Dresden | 2021 |
| Pirić, Samra | Univerzitet u Tuzli | 2013 |
| Pirich, Donna | Adelphi University | 1987 |
| Pirie, Iain | University of Aberdeen | 1996 |
| Pirie, Walter | Florida State University | 1970 |
| Pirim, Harun | Mississippi State University | 2011 |
| Pirinen, Aleksis | Lund University | 2021 |
| Pirinen, Aulis | Joensuun yliopisto | 1982 |
| Pirinen, Matti | Helsingin yliopisto | 2009 |
| Pirio, Luc | Institut de Mathématiques de Jussieu | 2004 |
| Piriou, Alain | ||
| Piriou, Francis | ||
| Piriou, Gwénaelle | Université De Rennes 1 | |
| Pirisi, Roberto | Scuola Normale Superiore di Pisa | 2015 |
| Pirk, Holger | Universiteit van Amsterdam | 2015 |
| Pirk, Katriin | University of Tartu | 2020 |
| Pirkelbauer, Peter | Texas A&M University | 2010 |
| Pirkhedri, Ali | Islamic Azad University | 2014 |
| Pirkl, Gerald | Technische Universität Kaiserslautern | 2016 |
| Pirkovskii, Alexei | Lomonosov Moscow State University | 2000 |
| Pirktl, Lennart | ETH Zürich | 1983 |
| Pirl, Udo | Martin-Luther-Universität Halle-Wittenberg | 1955 |
| Pirlot, Marc | ||
| Pirnapasov, Abror | Ruhr-Universität Bochum | 2021 |
| Pirnazar, Amir | The George Washington University | 2000 |
| Pirnazarov, S. | Taras Shevchenko National University of Kyiv | 1982 |
| Pirner, Marlies | Bayerische Julius-Maximilians-Universität Würzburg | 2018 |
| Pirner, Robert | Friedrich-Alexander-Universität Erlangen-Nürnberg | 1996 |
| Pirnia, Shahab | University of Waterloo | 2023 |
| Pirnot, Thomas | The Pennsylvania State University | 1972 |
| Piro, Robert | University of Liverpool | 2013 |
| Pirog, Maureen | University of Pennsylvania | 1981 |
| Pirogov, Sergey | ||
| Piroi, Florina | 2004 | |
| Pirola, Gian Pietro | Università degli Studi di Pavia | |
| Piron, Constantin | Université de Lausanne | 1964 |
| Pironet, Thierry | Université de Liège | 2014 |
| Pironneau, Olivier | University of California, Berkeley | 1972 |
| Pirooz, Ali | University of Southern California | 1998 |
| Pirôpo, Marcelo | Universidade Federal de Pernambuco, Recife | 2019 |
| Pirot, François | Université de Lorraine | 2019 |
| Pirot, François | Radboud Universiteit Nijmegen | 2019 |
| Pirotte, Alain | Université Paris-Est Créteil Val-de-Marne | 1994 |
| Pirovino, Magnus Heinz | ETH Zürich | 1992 |
| Pirozhkov, Dmitrii | Columbia University | 2020 |
| Pirrong, Stephen | The University of Chicago | 1987 |
| Pirrung, Bernd | Philipps-Universität Marburg | 1969 |
| Pirsiavash, Hamed | University of California, Irvine | 2012 |
| Pirsic, Ísabel | Universität Salzburg | 1997 |
| Pirtle, Melvin | University of California, Berkeley | 1967 |
| Pirtle, Jr., Elbert | University of Kansas | 1968 |
| Pirttiniemi, Pertti | ||
| Pirutka, Alena | Université Paris-Sud XI - Orsay | 2011 |
| Pirvan, Monica | Universitatea Politehnica din Bucuresti | 2010 |
| Pirvu, Traian | Carnegie Mellon University | 2005 |
| Piryatinska, Alexandra | Kiev State University | 1995 |
| Piryatinska, Alexandra | Case Western Reserve University | 2005 |
| Pirzada, Shariefuddin | 1995 | |
| Pirzadeh, Heidar | Concordia University | 2012 |
| Pirzadeh, Hessam | University of California, Irvine | 2021 |
| Pirzamanbein, Behnaz | Lund University | 2016 |