Alfio Piva Mesén (born 9 January 1940) is a Costa Rican politician, veterinarian, scientist and environmentalist.

[1][2] The Second Vice President during that interval was Luis Liberman.

[3] Piva obtained a Ph.D. in animal physiology from the University of Milan in Italy and co-founded the Veterinary School of the National University of Costa Rica.

In 1995 he won the Prince of Asturias Award in Technical and Scientific Research along with his colleagues from INBio.

This article about a Costa Rican politician is a stub.