There are 47 mathematicians whose last name begin with OLSE.
| Olsen, Andrew | The Ohio State University | 2015 |
| Olsen, Anne | The University of North Carolina at Charlotte | 2002 |
| Olsen, Anthony | Oregon State University | 1972 |
| Olsen, Bengt | ||
| Olsen, Bernt Ivar | Universitetet i Tromsø – Norges arktiske universitet | 2012 |
| Olsen, Bruce | Columbia University | 1971 |
| Olsen, Cara | Uniformed Services University | 2007 |
| Olsen, Catherine | Tulane University | 1970 |
| Olsen, Cheryl | University of Nebraska-Lincoln | 1997 |
| Olsen, Christian | North Carolina State University | 2014 |
| Olsen, Darlene | State University of New York at Albany | 2003 |
| Olsen, Edgar | Rice University | 1968 |
| Olsen, Elizabeth | Victoria University of Wellington | 2021 |
| Olsen, Elwood | Illinois Institute of Technology | 1983 |
| Olsen, Eric | Stanford University | 2000 |
| Olsen, James | Massachusetts Institute of Technology | 1993 |
| Olsen, James | University of Minnesota - Twin Cities | 1968 |
| Olsen, Jan-Fredrik | Norges Teknisk-Naturvitenskapelige Universitet | 2009 |
| Olsen, John | University of Pennsylvania | 2009 |
| Olsen, John | University of Southern California | 1978 |
| Olsen, Jorgen | University of Oxford | 1956 |
| Olsen, Karina | ||
| Olsen, Lars | University of North Texas | 1994 |
| Olsen, Lars | Københavns Universitet | 2014 |
| Olsen, Luke | University of Calgary | 2011 |
| Olsen, Luke | University of Oxford | 1996 |
| Olsen, Maren | The Pennsylvania State University | 1999 |
| Olsen, McCabe | University of Kentucky | 2018 |
| Olsen, Michael | University of California, San Diego | 2009 |
| Olsen, Mirjam | ||
| Olsen, Morten | Harvard University | 2011 |
| Olsen, Niels | Universität Konstanz | 2014 |
| Olsen, Nils | ||
| Olsen, Peder | University of Michigan | 1996 |
| Olsen, Petur | Aalborg Universitet | 2014 |
| Olsen, Randall | The University of Chicago | 1977 |
| Olsen, Robert | University of Wisconsin-Madison | 1996 |
| Olsen, Robert | Cornell University | 1999 |
| Olsen, Ronald | University of Wisconsin-Madison | 1957 |
| Olsen, Stephanie | University of Pennsylvania | 1997 |
| Olsen, Stephen | University of Wisconsin-Madison | 1970 |
| Olsen, Tava | Stanford University | 1994 |
| Olsen, Timothy | Stanford University | 1995 |
| Olsen, Trevor | University of South Carolina | 2020 |
| Olsen, Trevor | University of South Carolina | 2021 |
| Olsen, William | University of Georgia | 2020 |
| Olsén, Jörgen | Uppsala Universitet | 2003 |