The Danish ironclad Odin was a central battery ironclad built for the Royal Danish Navy in the 1870s. She was scrapped in 1912.
The ship was long overall with a beam of . She had a draft of and displaced . Her crew consisted of 206 officers and enlisted men. She was fitted with a retractable spur ram in the bow. The ship was reconstruction in 1898 to give her main guns better arcs of fire and an armored conning tower was added.
Odin had one horizontal direct-acting steam engine, built by Burmeister & Wain, that drove a single propeller shaft. The engine was rated at a for a designed speed of . The ship carried a maximum of of coal that gave her a range of at .
She was initially armed with four single Armstrong rifled muzzle-loading (RML) guns mounted in the armored citadel and six guns. In 1883, the 76-millimeter guns were replaced by four rifled breech-loading guns. The 254-millimeter guns were later converted into 16-caliber breech-loading guns by Krupp.
The ship had a complete waterline armored belt that ranged in thickness from . The battery was protected by armor plates. The deck armor was thick. The conning tower was protected by armor plates thick.
Odin, named for the eponymous god from Norse legend, was laid down by the Naval Dockyard in Copenhagen on 13 April 1871, launched on 12 December 1872 and completed on 7 September 1874.
In August 1895, Odin led the summer maneuver squadron, which also included the coastal defense ship and the gunboats , , , , and . Odin served as the flagship of Rear Admiral Kock. The squadron was established on 7 August, and it was joined by the cruisers , , , and , along with several small torpedo boats and other small craft. The training exercises lasted until 20 September.
She was stricken from the Navy List on 12 June 1912 and sold for scrap. The ship was broken up in the Netherlands.