Ruggero, the Italian equivalent of Roger, may refer to: Ruggero I of Sicily Norman king of Sicily Ruggero Berlam , Italian architect Ruggero Bonghi , Italian scholar, writer and politician Ruggero Borghi , former Italian professional road bicycle racer Ruggero Cobelli , Italian entomologist Ruggero Deodato , controversial Italian film director, actor and screen writer, best known for directing horror films Ruggero Ferrario , Italian racing cyclist and Olympic champion in track cycling Ruggero J. Aldisert , judge on the United States Court of Appeals for the Third Circuit Ruggero Leoncavallo , Italian opera composer Ruggero Luigi Emidio Antici Mattei , Italian prelate of the Roman Catholic Church Ruggero Maccari , Italian screenwriter Ruggero Maregatti , Italian athlete who competed mainly in the 100 metres Ruggero Marzoli , Italian professional road bicycle racer Ruggero Mastroianni , Italian film editor Ruggero Oddi , Italian physiologist and anatomist Pier Ruggero Piccio , Italian aviator and the founding Chief of Staff of the Italian Air Force Ruggero Raimondi , Italian Bass-Baritone opera singer and sometime screen actor Ruggero Santilli , Italian-American physicist and a proponent of theories some of which have been called fringe Ruggero Verity, Italian entomologist who specialised in butterflies