Lt. Col William Henry Lang OBE
Born	27 February 1878 Ottery St Mary, Devon, England
Died	27 December 1959 Aylesbury, Buckinghamshire, England
Allegiance	British Empire
Service / branch	British Army
Years of service	1914 - 1919
Rank	Lieutenant Colonel
Unit	Royal Flying Corps
Commands	RAF Kidbrooke
Battles / wars	First World War
Awards	Order of the British Empire 1914–15 Star British War Medal Victory Medal

William Henry Lang, OBE (27 February 1878 – 27 December 1959) was a British Army officer during the First World War.

Born in 1878 in Ottery St Mary, Lang was a Royal Air Force officer and recipient of the Order of the British Empire^[1] during the First World War.

Lang moved to Woolwich in London in 1898 to work at the Royal Arsenal. While at the Royal Arsenal, Lang engaged in experimental work in connection with artillery equipment, along with facilitated repairs and assisting in the creation of general handbooks. Upon the outbreak of war in 1914, Lang was granted a commission into the British Army as a lieutenant.^[2][3]

Upon the formation of the Royal Flying Corps, Lang changed branches. After being posted in Candas in France, Lang was promoted to major, and appointed as the park commander of the Greenwich Stores Depot in February 1917.^[4] Later that year, William Henry Lang was promoted to lieutenant colonel, and appointed as Depot Commander of RAF Kidbrooke. While in the Royal Flying Corps, William Henry Lang worked as a technical officer based on his specialised knowledge of wireless and photographic technologies along with technical knowledge of experimental guns and armaments.^[5]

In 1919, Lang resigned his commission in the Royal Air Force and received the rank of Officer of the Order of the British Empire in the New Year Honours List. During the Second World War, William Henry Lang was a sergeant in the Special Constabulary in Aylesbury.

Lang died aged 81, in Aylesbury, Buckinghamshire, England.^[6]