| Name | Institution | Research Area | Year |
| Francisco Lara | University of Michigan | Env. Studies | 2001 |
| Chappell H. Lawson | Massachusetts Instituteof Technology | Political Science | 1998-1999 |
| Emmanuelle Le Texier | Institut D'Etudes Politiques de Paris | Polititcs | 2002-2003 |
| John Robert Lear | University of California | History | 1991-1992 |
| Gary Lemons | University of New Mexico | Sociology | 1984 |
| Juliette Levy | University of California, Los Angeles | History | 2000-2001 |
| Stephen Lewis | University of California, San Diego | History | 1995-1996 |
| Gillian Dan Liu |
Liaoning University |
Political Economy |
2006-2007 |
| Diana Liverman | University of Arizona | Geography | 2000 |
| Kathleen Logan | University of Alabama | Anthropology | 1983 1987-1988 |
| Maria A. Lopes | El Colegio de México | History | 2000-2001 |
| Cynthia López | Harvard University | Binational | 1995 |
| Moramay López Alonso | Stanford University | History | 1998-1999 |
| Marta P. López de Luiselli | Universidad Iberoamericana | Rural Studies | 1983 |
| Alejandro Jose Lopez-Feldman |
University of California, Davis |
Economics |
2006-2007 |
| Abraham Lowenthal | Woodrow Wilson International Center for Scholars | Political Science | 1983 |
| Fernando Lozano Ascencio | Universidad Nacional Autónoma de Mexico | Immigration | 1991-1992 2003-2004 |
| Cassio Luiselli | United Nations Economic Commission for Latin America | Agriculture | 1983 |
| Donna Lybecker | Colorado State University | Political Science | 2001 |
| Kathleen Lytle | University of California Los Angeles | Political Science | 1998 |