The 101st Regiment of Foot, or Johnston's Highlanders, was an infantry regiment

Regiment

A regiment is a major tactical military unit, composed of variable numbers of batteries, squadrons or battalions, commanded by a colonel or lieutenant colonel...

 of the British Army

British Army

The British Army is the land warfare branch of Her Majesty's Armed Forces in the United Kingdom. It came into being with the unification of the Kingdom of England and Scotland into the Kingdom of Great Britain in 1707. The new British Army incorporated Regiments that had already existed in England...

, formed in 1760 and disbanded in 1763.

The regiment was raised in 1760 by the regimentation of independent companies of infantry raised in Argyle and Rossshire; in 1761 it was moved into England, and its other ranks drafted to the 87th

87th Regiment of Foot (Keith's Highlanders)

The 87th Regiment of Foot was an infantry regiment of the British Army, formed in 1759 and disbanded in 1763.The regiment was raised at Perth in August 1759 by regimenting three companies detached from the 42nd Foot, the Black Watch...

 and 88th Foot

88th Regiment of Foot (Highland Volunteers)

The 88th Regiment of Foot , or Campbell's Highlanders, was an infantry regiment of the British Army, formed in 1760 and disbanded in 1763....

. The officers were returned to Perth to assemble another six companies in 1762, but after these were assembled the regiment was disbanded due to the end of hostilities.

The unofficial title Johnston's Highlanders was adopted from its first Major-Commandant, Sir James Johnston of Westerhall.