Mirza Osman Ali Baig, MBE (Urdu: مرزا عثمان علی بیگ, 9 January 1904 – 1992) was a Pakistani diplomat and cavalry officer in the colonial Indian Political Service.
[4] With the IPS he served in Sibi, Zhob, Mekran and Peshawar in the North West Frontier Province (NWFP).
He saw extensive combat during World War II as part of the British Indian Army in several different campaigns in Europe and Burma.
[5] In January 1941, as City Magistrate, Peshawar, North West Frontier Province he was appointed a Member of the Order of the British Empire.
He had a younger brother, Mirza Rashid Ali Baig (1905-1979) who was a diplomat for India post Independence.