Alfonso Valenzuela-Aguilera (Ciudad de México, 1964) is a Mexican architect, critical theorist and urban planner.

Alfonso Valenzuela-Aguilera was trained as an architect at the Universidad Iberoamericana, earned a Masters degree in Urban Planning by the University Institute of Architecture of Venice and completed a PhD in Urbanism at UNAM, Mexico, and later served as a postdoctoral fellow at the French Institute of Urbanism in Paris.

A consultant on urban revitalization strategies to the UN Economic Commission for Latin America (ECLAC), his work has been funded by several international institutions and organizations and has published extensibly on urban issues.

Professor Valenzuela was named a Fulbright and a Guggenheim Fellow and selected by the World Bank Institute as one of the Top 30 Social Innovators in 2010.

He was a visiting Fulbright scholar at the Massachusetts Institute of Technology and for three years a visiting scholar at the Institute of Urban and Regional Development (IURD), at the University of California at Berkeley.