The 13th Lancers is an armoured regiment of Pakistan Army. It was formed in 1923 as 13th Duke of Connaught's Own Lancers by the amalgamation of 31st Duke of Connaught's Own Lancers and 32nd Lancers. On Partition of India in 1947, the regiment was allotted to Pakistan.
In 1956, Pakistan became a Republic and all titles pertaining to the British royalty were dropped. The regiment was now designated as 13th Lancer.