Italian submarine Enrico Toti (S 506) was the first of a new class of Italian submarine (Toti-class), with the S 506 Enrico Toti being laid down in 1965, launched in 1967, decommissioned in 1992 and preserved as a museum ship in Museo della Scienza e della Tecnologia "Leonardo da Vinci", in Milan.
 The ship, and class, are named after the Italian Enrico Toti.
Italian submarine Enrico Toti (S 506) was the first of a new class of Italian submarine (Toti-class), with the S 506 Enrico Toti being laid down in 1965, launched in 1967, decommissioned in 1992 and preserved as a museum ship in Museo della Scienza e della Tecnologia "Leonardo da Vinci", in Milan.  The ship, and class, are named after the Italian Enrico Toti.
Italian submarine Enrico Toti (S 506)