Major General William Euan Buchanan Loudon, CBE (born 12 March 1956) is a former British Army officer who commanded the 2nd Division from 2004 to 2007.
Loudon was commissioned into the Royal Highland Fusiliers in 1975 and later commanded the 1st Battalion of his regiment.
[1] In 1991 he served in the Gulf War as the chief of staff of 7th Armoured Brigade (Desert Rats).
[1] He was appointed an Officer of the Order of the British Empire for his operational service in the Gulf War.
[4][5] He was appointed General Officer Commanding 2nd Division and Governor of Edinburgh Castle in 2004,[6] before he retired in early 2007.