Major General Sir Malik Mohammed Umar Hayat Khan (in Urdu سر ملک محمد عمر حیات خان) GBE KCIE MVO (1875–1944), was a soldier of the Indian Empire, one of the largest landholders in the Punjab, and an elected member of the Council of State of India. From sigh bala village.
The son of Sir Malik Sahib Khan KB CSI, Malik Umar Hayat Khan was educated at Aitchison Chiefs College, Lahore. He came from a Tiwana Jat family in Khushab.
Khan served in the Somaliland War of 1902-1904, receiving the Jidballi medal and clasp, in the Tibet Expedition of 1903-1904 (for which he was Mentioned in Despatches), in the European theatre of the Great War, 1914-15 (during which he was Mentioned in Despatches a further six times), and then in the Third Anglo-Afghan War. He was attached to the 18th King George's Own Lancers and later the 19th King George's Own Lancers.
He acted as an honorary aide-de-camp to George V,Edward VIII, and George VI.