| Name | Phone | Dept. | Building | Office | |
| Laffoon, Carolyn | 43264 | carolyn@purdue.edu | EAS | CIVL | 2215B |
| Lanzalotto, Dorothy | 46740 | dot@purdue.edu | AA | HIKS | B845 |
| Lingley, Dean | 41868 | dlingley@purdue.edu | DPIA | STEW | 364 |
| Long, K. Sue | 42817 | sue@purdue.edu | DPIA | STEW | 364 |
| Long, Ruth | 42922 | rlong1@purdue.edu | MGMT | KRAN | 220 |