The 4th Tank Battalion, 1st Division, King's Guard () (à ¸¡.à ¸Âà ¸±à ¸ à ¹ à ¸Âà ¸¥.à ¹ à ¸£à ¸Â.) is a King's Guard Armoured Cavalry Battalion of the Royal Thai Army (RTA), it is currently a part of the 1st Division, King's Guard.
4th Tank Battalion, 1st Division, King's Guard was originally founded in 1930 from after a transformation of 2nd Tank Battalion in Saraburi. The first commander is M.L. Tor Panomwan. Eventually in 1944 the government shut down the 4th Tank Battalion in Karnchanaburi then later transformed the 6th Tank Battalion into a new 4th Tank Battalion and in 1951 the 4th Battalion was changed again to 7th Battalion.
The 4th Battalion was re-founded in 1973 as the 2nd Tank Battalion with type M24 tanks from U.S. in Phra Nakhon province (Bangkok nowadays). The unit was established again on 1 April 1951. In 1979 the 4th Tank Battalion was appointed as King's Guard.