There are 88 mathematicians whose last name begin with ARR.
| Arraiz, Irani | University of Maryland College Park | 2006 |
| Arranz Carreno, Aurelio | University of Oxford | 2011 |
| Arranz Sombría, María Rosa | Universidad de Valladolid | 1990 |
| Arrar, Nawel | University of Annaba | 2012 |
| Arrarás, Andrés | Universidad Carlos III de Madrid | 2011 |
| Arras, Benjamin | École Centrale | 2014 |
| Arras, John | University of Maryland College Park | 2001 |
| Arrate, Felipe | 2010 | |
| Arrate Peña, Manuel | Universidad de Valladolid | 1972 |
| Arratia, Richard | University of Wisconsin-Madison | 1979 |
| Arratia, Richard | University of Wisconsin-Madison | 1979 |
| Arratia-Quesada, Argimiro | University of Wisconsin-Madison | 1997 |
| Arrau, Patricio | University of Pennsylvania | 1989 |
| Arrayas, Manuel | Lancaster University | 1997 |
| Arrazola Ramirez, Jose | Benemérita Universidad Autónoma de Puebla | 1996 |
| Arreaga-Rodas, Luis | University of Wisconsin-Milwaukee | 1981 |
| Arreaza, Adriana | Brown University | 1999 |
| Arreche, Carlos | City University of New York | 2014 |
| Arredondo, John Alexander | Universidad Autónoma Metropolitana-Iztapalapa | 2013 |
| Arredondo Leon, Yesenia | Rheinische Friedrich-Wilhelms-Universität Bonn | 2009 |
| Arregi, J.M. | Euskal Herriko Unibertsitatea | 1987 |
| Arregoces, Luis | The University of New Mexico | 2005 |
| Arregui, Joaquín | Universidad Complutense de Madrid | 1959 |
| Arregui, Nicolás | Massachusetts Institute of Technology | 2010 |
| Arregui Alvarez, Íñigo | ||
| Arregui Casaus, José Luis | Universidad de Zaragoza | 1999 |
| Arrell, David | University of St. Andrews | 1978 |
| Arrhenius, Svante | ||
| Arrhenius-Wold, Anna-Lisa | Uppsala Universitet | 1971 |
| Arriaga, Rosa | ||
| Arriagada Peters, Leonora | Freie Universität Berlin | 2013 |
| Arriaga Gómez, Fernando | Universidad Complutense de Madrid | 1969 |
| Arriaza, Juan Lopez | University of California, Santa Cruz | 2015 |
| Arribas, Victor | Katholieke Universiteit Leuven | 2020 |
| Arribas-Bel, Daniel | Universidad de Zaragoza | 2010 |
| Arribas-Gil, Ana | Université Paris-Sud XI - Orsay | 2007 |
| Arribillaga, Pablo | Universidad Nacional de San Luis | 2012 |
| Arrieta, Igor | Universidade de Coimbra | 2022 |
| Arrieta, Jaime | Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN) | 2003 |
| Arrieta, Jose | Georgia Institute of Technology | 1991 |
| Arrieta, Luis | Universidad Católica del Norte | 2024 |
| Arrieta Arrieta, Eddie | 2021 | |
| Arrieta-Sanagustín, Jorge | Universidad Carlos III de Madrid | 2011 |
| Arrighi, Pablo | University of Cambridge | 2004 |
| Arrigo, Daniel | Georgia Institute of Technology | 1991 |
| Arrigo, Francesca | Università degli Studi dell'Insubria | 2016 |
| Arrigo, Jean-Luc | École Polytechnique Fédérale de Lausanne (EPFL) | 1990 |
| Arrigoni, Matías | Rijksuniversiteit Groningen | 2010 |
| Arrigoni, Maurice | Université de Franche-Comté | 1993 |
| Arrigoni, Trevor | University of Kansas | 2024 |
| Arriola, Juan Manuel | Universidad Nacional del Sur | 2022 |
| Arriola, Leon | Old Dominion University | 1991 |
| Arrison, John | The University of Iowa | 1970 |
| Arrizabalaga, Alejandro | Universiteit van Amsterdam | 2004 |
| Arrizabalaga, Naiara | Universidad del País Vasco | 2012 |
| Arro, Kaya | Brown University | 2023 |
| Arrocha Rodríguez, Idulfo | Universidad Carlos III de Madrid | 2013 |
| Arrondo Esteban, Enrique | Universidad Complutense de Madrid | 1990 |
| Arroudj, Hassina | 2017 | |
| Arroum, Wahib | University of Southampton | 2007 |
| Arroussi, Hicham | Universitat de Barcelona | 2016 |
| Arrow, Jairo | Universität Bremen | 1982 |
| Arrow, Kenneth | Columbia University | 1951 |
| Arrowood, Holly | The University of North Carolina at Chapel Hill | 2018 |
| Arrowsmith, David | University of Leicester | 1972 |
| Arrowsmith, Stephen | University of Leeds | 2003 |
| Arroyo, Ángel | 2017 | |
| Arroyo, Aubin | Instituto de Matemática Pura e Aplicada | 2002 |
| Arroyo, Cassandra | Harvard University | 2003 |
| Arroyo, Edward | City University of New York | 1998 |
| Arroyo, Fangjun | City University of New York | 1993 |
| Arroyo, Romina | Universidad Nacional de Córdoba | 2013 |
| Arroyo Esquivel, Jorge | University of California, Davis | 2022 |
| Arroyo Guevara, Alan | University of Waterloo | 2018 |
| Arroyo, III, Cristino | Rice University | 1991 |
| Arroyo-Jordá, Paz | Universitat de València | 1998 |
| Arroyo Olea, Josu | University of the Basque Country | 2001 |
| Arroyo Ortiz, Edilberto | Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV-IPN) | 2019 |
| Arroyo Paniagua, María José | Universidad Nacional Autónoma de México (UNAM) | 1994 |
| Arroyo Rabasa, Adolfo | Rheinische Friedrich-Wilhelms-Universität Bonn | 2017 |
| Arroyo Relión, Jesús Daniel | University of Michigan | 2018 |
| Arroyuelo, Diego | Universidad de Chile | 2009 |
| Arruda, Ayda | Universidade Federal do Paraná | 1966 |
| Arruda, Edilson | ||
| Arruda, Ellen | Massachusetts Institute of Technology | 1992 |
| Arruda, Juliano | Universidade Federal de Uberlândia | 2004 |
| Arruda, Marcelo | Universidade de São Paulo | 2012 |
| Arruñada, Benito |