There are 38 mathematicians whose last name begin with THEO.
| Theo, Davison | Aberystwyth University | 1982 |
| Theobald, Anja | Universität des Saarlandes | 2004 |
| Theobald, C. | University of Bath | 1975 |
| Theobald, Kevin | McGill University | 1999 |
| Theobald, Konrad | Fernuniversität Hagen | 1984 |
| Theobald, Martin | Universität des Saarlandes | 2006 |
| Theobald, Michael | Dartmouth College | 1988 |
| Theobald, Patrick | Technische Universität Darmstadt | 2000 |
| Theobald, Roderick | University of Washington | 2015 |
| Theobald, Simon | Rheinische Friedrich-Wilhelms-Universität Bonn | 1929 |
| Theobald, Thorsten | Universität Trier | 1997 |
| Theobalt, Christian | Universität des Saarlandes | 2005 |
| Theobalt, Christian | Max-Planck-Institut für Informatik | 2005 |
| Theocaris, Pericles | ||
| Theocharis, Alexandros | National Technical University of Athens | 2017 |
| Theocharous, Georgios | Michigan State University | 2001 |
| Theodorakos, Konstantinos | Katholieke Universiteit Leuven | 2024 |
| Théodoresco (Theodorescu), N. | Université de Paris | 1931 |
| Theodorescu, Emanoil | University of Kansas | 2002 |
| Theodorescu, Radu | University of Bucharest | 1958 |
| Theodoridis, Evangelos | 2009 | |
| Theodoridis, Sergios | University of Birmingham | 1978 |
| Theodoridis, Yannis | National Technical University of Athens | 1996 |
| Theodoropoulos, Christos | Katholieke Universiteit Leuven | 2025 |
| Theodoropoulos, Dimitrios | Technische Universiteit Delft | 2011 |
| Theodorou, Andreas | University of Bath | 2019 |
| Theodorou, Doros | Massachusetts Institute of Technology | 1985 |
| Theodorou, Evangelos | University of Southern California | 2011 |
| Theodosiadis, Eleftherios | Stockholm University | 2024 |
| Theodosis - Palimeris, Dionysios | National Technical University of Athens | 2017 |
| Theodosopoulos, Theodore | Massachusetts Institute of Technology | 1995 |
| Théoduloz, Grégory | École Polytechnique Fédérale de Lausanne (EPFL) | 2010 |
| Theofilis, Konstantinos | University of Hertfordshire | 2023 |
| Theofilis, Vassilios | University of Manchester | 1991 |
| Theohari-Apostolidi, Theodora | Aristotle University of Thessaloniki | 1977 |
| Theopold, Adrian Pit | Christian-Albrechts-Universität zu Kiel | 2021 |
| Theoret, Julie | University of Virginia | 1999 |
| Theoret, Pierre | Université de Montréal | 1994 |