An enamel portrait of Maharaja Sajjan Singh of Ratlam, signed by Raoul Hideux, Paris, early 20th century

Major-General Maharaja Sir Sajjan Singh Bahadur (1880-1947) was a British Indian Army officer and the Maharaja of Ratlam State ruling from 1893 until 1947.

The only son of Ranjit Singh he succeeded to the head of state at the age of thirteen. In 1911 he was promoted to Major and served on the Western Front during the First World War. He also served in the Third Anglo-Afghan War as aide-de-camp. And was also aide-de-camp to King George V and the Prince of Wales (later Edward VII) during his tour of India between 1921 and 1922. He was also a renowned polo player.