Four ships of the Italian Regia Marina (Royal Navy) have been named Cristoforo Colombo, after the Genoese explorer Christopher Columbus:
, a wooden-hulled ship built in the 1870s , a steel-hulled ship built to replace the original vessel , a cancelled in 1916 , a sail training ship launched in 1928, she was ceded to the Soviet Union in 1949 and given the name Dunay