Etna was a protected cruiser of the Italian Regia Marina (Royal Navy) built in the 1880s. She was the lead ship of the Etna class, which included three sister ships. Named for Mount Etna on the island of Sicily, the ship was laid down in January 1883, was launched in September 1885, and was completed in December 1887. She was armed with a main battery of two and six guns, and could steam at a speed of around .