| David Avis | |
| Birth Name: | David Michael Avis |
| Birth Date: | March 20, 1951 |
| Nationality: | Canadian |
| Fields: | Mathematics |
| Workplaces: | McGill University, Kyoto University |
| Alma Mater: | Stanford University |
| Doctoral Advisor: | Václav Chvátal |
David Michael Avis (born March 20, 1951) is a Canadian and British computer scientist known for his contributions to geometric computations. Avis is a professor in computational geometry and applied mathematics in the School of Computer Science, McGill University, in Montreal. Since 2010, he belongs to Department of Communications and Computer Engineering, School of Informatics, Kyoto University.
Avis received his Ph.D. in 1977 from Stanford University. He has published more than 70 journal papers and articles. Writing with Komei Fukuda, Avis proposed a reverse-search algorithm for thevertex enumeration problem