Abel Ramón Caballero Álvarez (born 2 September 1946) is a Spanish professor of Economics and since June 2007, the current mayor of Vigo, representing PSdeG-PSOE. Since 19 September 2015, he has also served as the president of the Spanish Federation of Municipalities and Provinces (FEMP). Caballero had previously served in the Spanish Congress of Deputies representing A Coruña Province from 1982 to 1986 and Pontevedra Province from 1986 to 1997.