The Fife and Forfar Yeomanry (FFY) was an Armoured Yeomanry Regiment of the British Army formed in 1793. It saw action in the Second Boer War, the First World War and the Second World War. It amalgamated with the Scottish Horse to form the Fife and Forfar Yeomanry/Scottish Horse in 1956. The lineage is maintained by "C" Fife and Forfar Yeomanry/Scottish Horse Squadron of The Scottish and North Irish Yeomanry based in Cupar in Fife.

The Scottish Horse was a Yeomanry regiment of the British Army's Territorial Army raised in 1900 for service in the Second Boer War. It saw heavy fighting in both the First World War, as the 13th Battalion, Black Watch, and in the Second World War, as part of the Royal Artillery. It amalgamated with the Fife and Forfar Yeomanry to form the Fife and Forfar Yeomanry/Scottish Horse in 1956. The lineage is maintained by "C" Fife and Forfar Yeomanry/Scottish Horse Squadron of The Scottish and North Irish Yeomanry based in Cupar in Fife.