The Greek ironclad Vasilefs Georgios () was an armored corvette built in Great Britain for the Royal Hellenic Navy during the 1860s. She became a cadet training ship before she was stricken from the Navy List in 1912. The ship was scrapped in 1915.
Vasilefs Georgios had a length overall of long, a beam of and a mean draft of . The ship displaced . She had horizontal single-expansion steam engines that drove two propellers. The engines were designed to produce a total of to give the ship a speed of , but only produced for a speed of . For long-distance travel, Vasilefs Georgios was fitted with two masts and schooner rigged. She carried of coal that gave her a range of about at full speed. The ship had a crew of 120 officers and crewmen.
Vasilefs Georgios was armed with a pair of Armstrong rifled muzzle-loading guns. The ship was a central-battery ironclad with the armament concentrated amidships in a hexagonal armored citadel. The citadel was protected by plates and the entire ship's side was covered by armor that had a maximum thickness of amidships and reduced to at the ends.
Vasilefs Georgios, named for King George I of Greece, was built by Thames Ironworks, Blackwall, London. She was launched on 28 December 1867 and completed the following year. In February 1870, Vasilefs Georgios was damaged at sea, guns in one of her turrets being dislodged. She put in to Lisbon, Portugal on 9 February for repairs, her crew refusing to proceed. The ship became a training ship for naval cadets around the end of the 19th century. She was stricken in 1912. Vasilefs Georgios was broken up in 1915.