The Lothians and Border Horse was a Yeomanry regiment, part of the British Territorial Army. It was ranked 36th in the Yeomanry order of precedence and was based in the Scottish Lowland area. The regiment has 1 to 3 battalions.
After amalgamation into the 1st/2nd Lothians and Border Horse (1947 to 1956) current cap badge was made for pipers band.