Captain H.H. Maharana Raj Shri Sir Amarsinhji Banesinhji Sahib (4 January 1879 – 25 June 1954) was the last Maharana Raj Sahib of Wankaner belonging to Jhala dynasty, who ascended the throne of princely state of Wankaner on 12 June 1881 and ruled until his state was merged into India on 15 February 1948. He continued to be officially Maharana Sahib of Wankaner till his death on 28 June 1954.
He was installed on the throne upon death of his father Maharana Banesinhji Jaswantsinhji on 25 June 1881 at age of two years and State was placed under administration of government. He joined Rajkumar College, Rajkot for education. After his education was complete, he was given rein of State on 18 March 1889.
He served during the Great War with the Kathiawar Motor Ambulance Corps 1915-1916. A well-educated and progressive ruler, he took a great interest in improving the welfare of his subjects. He established the first Farmers Co-operative Bank in Saurashtra to provide finance to farmers, promoted agriculture, the dairy and textile industries. He also introduced village self-government schemes, the first pensions for state employees, reformed the public services and a strong and effective police force.
A gifted sportsmen, he excelled in badminton, cricket and marksmanship. He also took a keen interest in motoring, aircraft and architecture, building several lovely palaces and public buildings in Wankaner and Wankaner House in Bombay. He celebrated his Golden Jubilee on 31 May 1931.
In 1951, a cotton textile mill at Wankaner, named Shree Amarsinhji Mills Limited, named after him was founded by his son Pratapsinhji Jhala, which, however, has now been taken over by Kores India in 1980. However, his grandson, Digvijaysinhji Jhala continues to serve the company as a director.
- Delhi Durbar Gold Medal – 1903 and 1911
- Knight Commander of the Order of the Indian Empire (KCIE) - 1911
- 1914–15 Star - 1918
- British War Medal -1918
- Allied Victory Medal - 1918
- King George V Silver Jubilee Medal – 1935
- Knight Commander of the Order of the Star of India (KCSI) – 1936
- King George VI Coronation Medal – 1937
- Indian Independence Medal – 1947
- Solomon, R. V.; Bond, J. W. (1922). Indian States: A Biographical, Historical, and Administrative Survey By Somerset Playne, R. V. Solomon, J. W. Bond. pp. 752–53. ISBN 9788120619654. Retrieved 6 October 2016.
- Kores India