There are 49 mathematicians whose last name begin with ORTE.
| Ortega, Alejandro | Universidad Carlos III de Madrid | 2019 |
| Ortega, Alfonso | Stanford University | 1986 |
| Ortega, Alfredo | Instituto Tecnológico de Buenos Aires | 2015 |
| Ortega, Antonio | Columbia University | 1994 |
| Ortega, Daniel | University of Maryland College Park | 2002 |
| Ortega, Eduard | Universitat Autònoma de Barcelona | 2006 |
| Ortega, Francisco | Université Catholique de Louvain | 2001 |
| Ortega, Jaime | Universidad Complutense de Madrid | 1997 |
| Ortega, Jaime | Massachusetts Institute of Technology | 1998 |
| Ortega, James | Stanford University | 1962 |
| Ortega, Jesús | Universidad Complutense de Madrid | 1989 |
| Ortega, Juan-Pablo | University of California, Santa Cruz | 1998 |
| Ortega, Julio | Vanderbilt University | 1996 |
| Ortega, Luis | Stevens Institute of Technology | 2013 |
| Ortega, Miriam | Universitat de València | 2018 |
| Ortega, Odalis | Universidad De Valparaíso | 2023 |
| Ortega, Omayra | The University of Iowa | 2008 |
| Ortega, Oscar | Illinois Institute of Technology | 2008 |
| Ortega, Pedro | University of Cambridge | 2011 |
| Ortega, Rafael | Universidad de Granada | 1984 |
| Ortega, Ross | University of Washington | 2000 |
| Ortega, Rubens Robles | Universidad de Sevilla | 1996 |
| Ortega, S. Luis | University of Cincinnati | 1983 |
| Ortega Álvarez, Ana María | Pontificia Universidad Católica del Perú | |
| Ortega Aramburu, Joaquín | Universidad de Barcelona | 1972 |
| Ortega Arjona, Jorge | University College London | 2007 |
| Ortega-Carandell, Francesc | New York University | 2004 |
| Ortega Castillo, Sofía | Texas A&M University | 2014 |
| Ortega Cerdà, Joaquim | Universidad Autónoma de Barcelona | 1995 |
| Ortega del Rincón, Tomás | Universidad de Valladolid | 1988 |
| Ortega Juncuas, Serafin | 1995 | |
| Ortega Lopera, Julio | ||
| Ortega Moreno, Mónica | Universidad de Granada | 2001 |
| Ortega Ortega, Angela | Humboldt-Universität zu Berlin | 2013 |
| Ortega Ortega, Angela | Université de Nice-Sophia Antipolis | 2003 |
| Ortega Palencia, Pedro | Universidad de Cartagena | 2019 |
| Ortega-Piwonka, Ignacio | University of New South Wales | 2017 |
| Ortega-Reichert, Armando | Stanford University | 1968 |
| Ortega Ríos, Rafael | Universidad de Granada | 1984 |
| Ortega Ruiz, José Antonio | Universidad de Barcelona | 1997 |
| Ortega Salvador, Pedro | Universidad de Málaga | 1991 |
| Ortega Sánchez, Joaquín | University of London | 1979 |
| Ortega Sandoval, Josue | University of Glasgow | 2017 |
| Ortega Titos, Miguel | Universidad de Granada | 1999 |
| Ortega-Torres, Elva | Universidade Estadual de Campinas | 1998 |
| Ortel, Marvin | University of Maryland College Park | 1973 |
| Ortelli, Francesco | ETH Zürich | 2021 |
| Ortelli, Gregorio | ETH Zürich | 2009 |
| Orteu, Jean-Jose |