Seshadri Srinivasa Iyengar CIE  (11 September 1874 – 19 May 1941), also seen as Sreenivasa Iyengar and Srinivasa Ayyangar, was an Indian lawyer, freedom-fighter and politician from the Indian National Congress. Iyengar was the Advocate-General of Madras Presidency from 1916 to 1920. He also served as a member of the bar council from 1912 to 1920, the law member of Madras Presidency from 1916 to 1920 and as the president of the Swarajya Party faction of the Indian National Congress from 1923 to 1930. Srinivasa Iyengar was the son-in-law of renowned lawyer and first Indian Advocate-general of Madras, Sir Vembaukum Bhashyam Aiyangar. Iyengar's followers called him Lion of the South.