Alonzo is both a given name and a surname. Notable people with the name include:

The Calculi of Lambda Conversion. (AM-6) (Annals of Mathematics Studies)
A Formulation of the Simple Theory of Types
An Unsolvable Problem of Elementary Number Theory
The Calculi of Lambda Conversion. (AM-6):
Steatosis in chronic hepatitis C: relative contributions of obesity, diabetes mellitus, and alcohol.
A Set of Postulates for the Foundation of Logic
Reducing delay in seeking treatment by patients with acute coronary syndrome and stroke: a scientific statement from the American He...
Translations from the Philosophical Writings of Gottlob Frege by Peter Geach; Max Black
Photometric determination of fatty acid ester groups in phospholipides
Stigma, HIV and AIDS: an exploration and elaboration of a stigma trajectory