There are 6 mathematicians whose last name begin with SIX.
| Six, Frederick | The University of North Carolina at Chapel Hill | 1970 |
| Six, Hans-Werner | Karlsruher Institut für Technologie (KIT) | 1978 |
| Sixma, Frederik | Universiteit van Amsterdam | 1948 |
| Sixma, Jelle | Universiteit Utrecht | 1973 |
| Sixsmith, Dave | The Open University | 2013 |
| Sixt, Joerg | The University of Edinburgh | 2004 |