Leon (Greek: ΒΠ Λέων, "Lion") was an Aetos-class destroyer which served in the Royal Hellenic Navy from 1912–1941.

By 1918, they were back on escort duty under Greek colors, and was in action blockading the coasts of the Black Sea from Bosphorus up to Trebizond.

On 22 December 1921, while moored with Ierax in Piraeus harbour they were both severely damaged by the explosion of a depth charge which the crew of Leon was transporting.

She also participated in the Second World War, On 18 April 1941, during a convoy escort, she collided with the passenger ship Ardena followed by the explosion of two depth charges.

She was finally sunk by German bombers on 15 May 1941, in Souda Bay (Crete) where she had been towed from Salamis Naval Base.