Alfonso Lacadena García-Gallo (August 21, 1964 – February 9, 2018), was a Spanish archaeologist, historian and epigraphist, one of the greatest experts in Mayan culture,[citation needed] researcher and specialist in writing and deciphering its texts.

On October 13, 2011, the Peabody Museum of Archaeology and Ethnology, from Harvard University, awarded him the Tatiana Proskuriakof Prize for his contributions to the decipherment of Mayan and Nahuatl writing.

Lacadena worked with the Ch'orti ethnic group in eastern Guatemala, near Honduras.

He studied hieroglyphic texts at Ek Balam, about 50 kilometers from Chichén Itzá.

In October 2017, the III Meeting of Gramotology honored him for his work at the National Autonomous University of Mexico.