Major-General Algernon Philip Yorke Langhorne, CB, DSO, MC (18 July 1882 – 28 November 1945) was an officer in the British Army.
In 1908 he was selected as ADC by Sir James Wilcocks, then commanding the 1st (Peshwar) Division.
He accompanied Wilcocks who as GOC Bazar Valley Field Force directed operations against the Zakka Khel expedition in February and March 1908.
At the outbreak of war in 1914, Willcocks assumed command of the Indian Corps despatched to France.
Langhorne served as such during the battle of La Bassee in October and November 1914.
In October 1914 Langhorne was promoted to captain and became Camp Commandant of the Indian Corps.