Santiago Oñate Laborde (b. Mexico City, 1949) is a Mexican lawyer and politician affiliated with the Institutional Revolutionary Party (PRI).
[1] Oñate Laborde graduated as lawyer from the law faculty in the Universidad Nacional Autónoma de México (UNAM) in 1972.
In 1991 and 1992 he served as Ambassador to the Organization of American States and, in 1993, as the head of the Environmental Attorney's Office (Procuraduría Federal de Protección al Medio Ambiente or PROFEPA).
While serving as ambassador in the Netherlands, he also acted as the Permanent Representative of Mexico to the Organisation for the Prohibition of Chemical Weapons.
He pursued further studies at the London School of Economics and Political Science and at the University of Wisconsin, the latter of which also saw him as professor, along with the Universidad Autónoma Metropolitana, the Universidad Nacional Autónoma de México, and Leiden University.