Castelluccio may refer to:
People Federico Castelluccio (born 1964), Italian-born American actor Franco Castelluccio (born 1955), American sculptor Frankie Valli, born Francesco Castelluccio (1934), American singer
Italian locations Castelluccio dei Sauri, a town and comune in the province of Foggia, Apulia region Castelluccio Inferiore, a town and comune in the province of Potenza, Basilicata region Castelluccio Superiore, a town and comune in the province of Potenza, Basilicata region Castelluccio Valmaggiore, a town and comune in the province of Foggia, Apulia region Castelluccio (Norcia), a frazione of Norcia, province of Perugia, Umbria region Castelluccio, a frazione of Castel San Giorgio, province of Salerno, Campania region Castelluccio, a frazione of Alto Reno Terme, Metropolitan City of Bologna, Emilia-Romagna region Castelluccio Cosentino, a frazione of Sicignano degli Alburni, province of Salerno, Campania region Castelluccio di Gela, a Hohenstaufen medieval fortification in Gela, Sicily Castelluccio di Noto, an archaeological site in Sicily Castelluccio culture, an Ancient Bronze Age culture