Obaidullah Baig (October 1, 1936 - June 22, 2012)(Urdu: عبيدالله بيگ) was an eminent scholar, Urdu writer/novelist, columnist, media expert, and most notably a documentary filmmaker from Karachi, Sindh, Pakistan. Born in Rampur, India in 1936, Obaidullah Baig migrated to Karachi with his family in the early '50s following independence of Pakistan in 1947, and settled in Karachi, Pakistan]].
Obaidullah Baig teamed up with Iftikhar Arif in 1970s and then with Ghazi Salahuddin in 1990s and won renown for the famous [[Pakistan Television Corporation (PTV) quiz show Kasauti. He also appeared on a similar program called Kasauti: Master Mind. The program was conducted by the original host of Kasauti, Quraish Pur. His wife, Salma Baig was also a renowned face on PTV for hosting programs in the past and for her participation in the educational sector.
Obaidullah Baig has three daughters. Obaidullah Baig's eldest daughter is Maryam Obaidullah Baig, working and studying in the United States. She is a visual artist and also a theatre actor. She is following her father's footsteps by making films as well. His second daughter is Fatima Adarsh, who is married to T.V actor Adarsh Ayaz and works for Pakistani news channels. Obaidullah Baig's youngest daughter Amina Baig works for The News International.
Obaidullah Baig was awarded Pride of Performance (August 14, 2008) by the President of Pakistan for his services to Pakistani media.
Baig died on June 22, 2012 in Karachi.