There are 13 mathematicians whose last name begin with SPAC.
| Špacapan, Simon | Univerza v Mariboru | 2007 |
| Spaccasassi, Carlo | Trinity College, Dublin | 2015 |
| Spacco, Jaime | University of Maryland College Park | 2006 |
| Spacek, Peter | University of Kent, Canterbury | 2021 |
| Spacey, Simon | Imperial College London | 2010 |
| Spach, Israel | ||
| Spacil, Oldrich | University of Aberdeen | 2013 |
| Spackman, John | University of Bath | 1989 |
| Spackman, Kenneth | University of Colorado Boulder | 1977 |
| Spackman, Kent | University of Illinois at Urbana-Champaign | 1988 |
| Špačková, Olga | Czech Technical University | 2012 |
| Spacone, Enrico | University of California, Berkeley | 1994 |
| Spacov, Andrei | University of California, Berkeley | 2007 |