Antonio Jatta (25 June 1852 – 4 August 1912) was an Italian politician and lichenologist. After completing his secondary studies at the Classical Lyceum Umberto I in Naples, at the age of 22 he graduated with honours in natural history at the University of Naples and in agriculture at the Royal Higher School of Agriculture in Portici. He was a wealthy landowner who published Flora Italica Cryptogama in several volumes from 1900 to 1909. Jatta identified the lichens that were given in the 1915 list of the lichens of the Maltese Islands, compiled by the botanists and Alfredo Caruana Gatto. A 1962 publication by William Culberson noted that most of his subgeneric names from the Flora Italica Cryptogama had not been included in Alexander Zahlbruckner's influential 10-volume work Catalog Liche