Sir Jamshedji Nasarwanji Duggan KBE CIE JP (8 April 1884 – 15 January 1957) was an Indian ophthalmic surgeon, magistrate, and Sheriff of Mumbai in 1942.
From 1908 to 1912, he studied in Vienna, Wiesbaden, and in London under several eminent ophthalmologists, including Hermann Pagenstecher and Edward Treacher Collins, receiving a doctorate in the field from Oxford University in 1912.
He then returned to Mumbai, where he established a large practice and became the medical superintendent of the Sir C. Jehangir Ophthalmic Hospital.
[1] During the First World War, Duggan served as an Indian Medical Service (IMS) officer, and was the consultant ophthalmic surgeon to the designated wartime hospitals in Mumbai.
During the Second World War, he served as Chair of the Bombay Provincial Committee of the Joint War Organisation of the Indian Red Cross Society and St. John Ambulance, in which capacity he was recognised by his promotion to the rank of Knight Commander of the Order of the British Empire (KBE) in the 1945 Birthday Honours.