S. Subramania Iyer, Indian lawyer and jurist (d. 1924)

Sir Subbier Subramania Iyer (Tamil: சுப்பையர் சுப்பிரமணிய ஐயர்; 1 October 1842 – 5 December 1924) was an Indian lawyer, jurist and freedom fighter who, along with Annie Besant, founded the Home Rule Movement. He was popularly known as the "Grand Old Man of South India".

On completion of his schooling in Madurai, Subramania Iyer qualified as a lawyer and went on to practice as a lawyer in Madurai and Madras, before being appointed a Judge of the Madras High Court, in 1891. He also served as the first Indian Chief Justice of the Madras High Court, before retiring in 1907.