Padma Vibhushan Diwan Bahadur Sir Arcot Ramasamy Mudaliar, KCSI(b. October 14, 1887 - d. July 17, 1976) was an Indian lawyer, politician and statesman who served as a senior leader of the Justice Party and in various administrative and bureaucratic posts in pre-independence and independent India.
Arcot Ramasamy Mudaliar was born on October 14, 1887 in the town of Kurnool and had his schooling in Kurnool. He graduated from the Madras Christian College and studied law at the Madras Law College. On completion of his studies, practised as a lawyer before joining the Justice Party and entering politics. Mudaliar was nominated to the Madras Legislative Council in 1920 and served from 1920 to 1926 and as a member of the Madras Legislative Assembly from 1931 to 1934, losing to S. Satyamurti in the 1934 elections. He served as a member of the Imperial Legislative Council from 1939 to 1941 and as a part of Winston Churchill's war cabinet from 1942 to 1945. He was India's delegate to the San Francisco Conference and served as the first President of the United Nations Economic and Social Council. He also served as the last Diwan of Mysore kingdom and occupied the seat from 1946 to 1949.
- Arcot Ramasamy Mudaliar - served as the first President of the United Nations Economic and Social Council
- Member of the Viceroy's Executive Council