Giorgio Battistelli (born 25 April 1953) is an Italian composer of contemporary classical music. A native of Albano Laziale (province of Rome), he studied at the conservatory in L'Aquila and is a former student of Stockhausen and Kagel. Battistelli has written nearly 20 operas on subjects ranging from Diderot and d'Alembert's Encyclopaedia to Mary Shelley's Frankenstein. His opera CO2, based on Al Gore's An Inconvenient Truth, premiered at La Scala in 2015. In 2007 he was Artistic Director of the Jerwood Opera Writing Programme hosted by Aldeburgh Music. His music is published by Ricordi.