There are 35 mathematicians whose last name begin with OLD.
| Oldak, Salomon | Weizmann Institute of Science | 1991 |
| Olde Daalhuis, Adrianus | Universiteit van Amsterdam | 1993 |
| Oldehinkel, A. | Rijksuniversiteit Groningen | 1997 |
| Oldehoeft, Arthur | Purdue University | 1970 |
| Oldehoeft, Rodney | Purdue University | 1973 |
| Olde Keizer, Minou | Rijksuniversiteit Groningen | 2016 |
| Olde Loohuis, Loes | City University of New York | 2014 |
| Oldeman, Bart | University of Bristol | 2001 |
| Oldenbroek, Cornelis | Universiteit van Amsterdam | 1979 |
| Oldenburg, Douglas | University of California, San Diego | 1974 |
| Oldenburg, Siwart | Universiteit Leiden | 1969 |
| Oldenburger, Rufus | The University of Chicago | 1934 |
| Oldendorff, Antoine | Universiteit Utrecht | 1940 |
| Oldenhof, Ernst | Technische Universiteit Delft | 2012 |
| Oldenziel, Gosse | Technische Universiteit Delft | 2014 |
| Oldenziel, Ruth | ||
| Older, Susan | Carnegie Mellon University | 1996 |
| Olderog, Ernst-Rüdiger | Christian-Albrechts-Universität zu Kiel | 1981 |
| Oldfather, Michael | Ohio University | 1980 |
| Oldfield, Richard | ||
| Oldfield, Ron | Dartmouth College | 2003 |
| Oldfield, Thomas | University of Texas at Austin | 2019 |
| Oldford, Richmond | University of Toronto | 1982 |
| Oldham, Janis | University of California, Berkeley | 1990 |
| Oldham, Jeffrey | Stanford University | 1999 |
| Oldham, Matthew | George Mason University | 2019 |
| Oldham, William | California Institute of Technology | 1963 |
| Oldman, James | University of East Anglia | 2015 |
| Oldroyd, James | ||
| Oldroyd, Jesse | University of Idaho | 2016 |
| Olds, Carl | Stanford University | 1943 |
| Olds, Christopher | Texas A&M University | 2011 |
| Olds, Edwin | University of Pittsburgh | 1931 |
| Olds, Elizabeth | Stanford University | 1996 |
| Oldson, Darren | Duke University | 2003 |