Sir Josiah Crosby KCMG KBE CIE (25 May 1880 – 4 December 1958) was a British diplomat.
[1][2] Born in Falmouth, the son of a master mariner, Crosby was educated at the Royal Grammar School, Newcastle Upon Tyne and Gonville and Caius College, Cambridge, where he was a scholar and took first-class honours in the modern languages tripos in 1902.
He joined the Consular Service in 1904 and served in Siam in various capacities until 1917, when he was appointed consul at Saigon.
He retired in 1941, and was imprisoned in Siam for a time during the Second World War.
[citation needed] Crosby was appointed OBE in 1918, CIE in 1919, KBE in 1928, and KCMG in 1942.