Sir Desmond Oriel Alistair George Weston Cochrane, 3rd Baronet (22 October 1918 – 12 March 1979), was an officer in the British Army and Honorary Consul-General of Ireland for Syria and Lebanon.
He was the son of Sir Ernest Cecil Cochrane, 2nd Baronet, and Elsa Dorothea Marie Schumacher.
During the Second World War, he was a Major in the Lancashire Fusiliers in the British Army, stationed in the Middle East.
His elder brother, Ernest Henry Cochrane, MC, had died on active service as a Major in the Royal Inniskilling Fusiliers in Austria in 1945.
He was the Honorary Consul-General of Ireland for the Republics of Syria and Lebanon, and Controller of Beirut Race Course.