There are 31 mathematicians whose last name begin with HAIN.
| Hain, Bernhard | Friedrich-Alexander-Universität Erlangen-Nürnberg | 1972 |
| Hain, Michael | Gottfried Wilhelm Leibniz Universität Hannover | 2007 |
| Hain, Richard | University of Illinois at Urbana-Champaign | 1980 |
| Hainaut, Jean-Luc | ||
| Haine, Denis | Université de Montréal | 2016 |
| Haine, Ghislain | Université Henri Poincaré Nancy 1 | 2012 |
| Haine, Luc | Université Catholique de Louvain | 1983 |
| Haine, Peter | Massachusetts Institute of Technology | 2021 |
| Hainer, Karl | Johann Wolfgang Goethe-Universität Frankfurt am Main | 1968 |
| Haines, Bertram | The Johns Hopkins University | 1956 |
| Haines, Brian | The Pennsylvania State University | 2011 |
| Haines, Charles | Rensselaer Polytechnic Institute | 1965 |
| Haines, David | The Ohio State University | 1969 |
| Haines, Dawn | North Carolina State University | 1997 |
| Haines, John | University of Wisconsin-Madison | 1970 |
| Haines, Leonard | Massachusetts Institute of Technology | 1965 |
| Haines, Malcolm | ||
| Haines, Matthew | Lehigh University | 1994 |
| Haines, Ross | University of Oxford | 2016 |
| Haines, Thomas | The University of Chicago | 1997 |
| Haining, Theodore | University of California, Santa Cruz | 2000 |
| Hainke, Guntram | Westfälische Wilhelms-Universität Münster | 2010 |
| Hainke, Katrin | Technische Universität Dortmund | 2017 |
| Hainke, Marc Hans Ernst | Friedrich-Alexander-Universität Erlangen-Nürnberg | 2004 |
| Hainmueller, Jens | Harvard University | 2009 |
| Hains, Gaétan | University of Oxford | 1990 |
| Hainy, Markus | Johannes Kepler Universität Linz | 2015 |
| Hainz, Günter | Ruprecht-Karls-Universität Heidelberg | 1998 |
| Hainz, Stefan | Rheinische Friedrich-Wilhelms-Universität Bonn | 2007 |
| Hainzl, Christian | Universität Wien | 1999 |
| Hainzl, Josef | Eberhard-Karls-Universität Tübingen | 1962 |