Attilio Regolo may refer to:Marcus Atilius Regulus, Roman general Marco Attilio Regolo, opera by Alessandro Scarlatti to libretto by Matteo Noris, Rome 1719 Attilio Regolo, 1740 libretto by Metastasio Attilio Regolo (Hasse), first setting of the Metastasio libretto, Dresden 1750 Attilio Regolo, opera by Niccolò Jommelli, London 1753 French cruiser Châteaurenault (1948–1961), the rebuilt Italian cruiser Attilio Regolo, a Capitani Romani-class cruiser, ceded as war reparations.