Iron Duke

Iron Duke may refer to:
*Two dukes, both military officers, were nicknamed the "Iron Duke" during their lifetimes:
**Arthur Wellesley, 1st Duke of Wellington
**Fernando Álvarez de Toledo, Duke of Alva
*HMS "Iron Duke" is also the name of three ships in the Royal Navy, one of which is still in active service (a frigate)
*GM Iron Duke engine is also the nickname given to a 151 cid (cubic inch displacement) 4 cylinder internal combustion engine used in many 1980s-era General Motors automobiles, pickup trucks, and the United States Postal Service's LLV Mail trucks.
*GWR Iron Duke Class was also the name of a famous class of locomotive built by the Great Western Railway in England
*Iron Dukes are the branch of the Duke University's athletic department, in charge of alumni relations and donations. It was named after the nickname of the 1938 Duke football team, one of only three NCAA football teams to go the entire season unbeaten, untied, and not scored upon.
* Iron Duke is the name of a supervillain character in the "Silver Age Sentinels" roleplaying game, based in part on Isambard Kingdom Brunel
* The Iron Dukes are a rock group centered in Hamilton, Ontario, Canada.