The Queen's Royal Irish Hussars, abbreviated as QRIH, was a cavalry regiment of the British Army formed from the amalgamation of the 4th Queen's Own Hussars and the 8th King's Royal Irish Hussars in 1958. The regiment saw active service against insurgents in Aden; during the Indonesia–Malaysia confrontation and during the Gulf War, as well as regular service in West Germany as part of the British Army of the Rhine. The regiment was amalgamated with the Queen's Own Hussars to form the Queen's Royal Hussars on 1 September 1993.