|Died 1991 (aged 84–85)|
Residence Monterrey, Mexico City
|Name Leon y|
|Succeeded by Roberto Guajardo Suarez|
Born January 24, 1906 Atlixco, Puebla, Mexico (1906-01-24)
Spouse(s) Carolina del Moral (married on 29 November 1935)
Children Carolina, Leon, Teresa, Jose Luis and Maria
Alma mater National Polytechnic Institute, MIT
León Ávalos y Vez (24 January 1906 – 1991) was a Mexican mechanical engineer who served as the founding director-general of the Monterrey Institute of Technology (ITESM, 1943–1946) and as director-general of the National School of Electrical and Mechanical Engineering of the National Polytechnic Institute (IPN, 1943).
Ávalos y Vez was born in Atlixco, Puebla, on 24 January 1906 into a family composed by Ignacio Ávalos and Amalia Vez. He received a bachelor's degree in Mechanical Engineering from the National Polytechnic Institute and a master's degree in the same discipline from the Massachusetts Institute of Technology (1929).