P. S. Sivaswami Iyer
| Sir Pazhamaneri Sundaram Sivaswami Iyer | |
|---|---|
| Portrait of Sir P. S. Sivaswami Iyer | |
| Member of the Council of State (India) | |
| In office 1922–1923 | |
| Governor‑General | Rufus Isaacs, 1st Marquess of Reading | 
| 2nd Vice-Chancellor of Banaras Hindu University | |
| In office 1918–1919 | |
| Preceded by | Rai Bahadur Sir Sunder Lal | 
| Succeeded by | Pandit Madan Mohan Malaviya | 
| Member of the Executive Council of the Governor of Madras Presidency | |
| In office 1911–1917 | |
| Governor | Sir Murray Hammick (acting), John Sinclair, 1st Baron Pentland | 
| Advocate-General of Madras | |
| In office 1907–1912 | |
| Succeeded by | S. Srinivasa Iyengar | 
| Personal details | |
| Born | 7 February 1864 Tanjore, Madras Presidency, India | 
| Died | 5 November 1946 (aged 82) Mylapore, Madras | 
| Occupation | lawyer, administrator | 
Sir Pazhamaneri Sundaram Sivaswami Iyer KCSI CIE (7 February 1864 – 5 November 1946) was a prominent lawyer, administrator and statesman who served as the Advocate General of Madras from 1907 to 1911.
Sivaswami Iyer was born on 7 February 1864 in the village of Palamaneri. He had his schooling in Palamaneri and graduated from Presidency College, Madras. Sivaswami Iyer studied law and practised as a lawyer serving as the Advocate-general of Madras Presidency from 1907 to 1911. He also served as a member of the executive council of the Governor of Madras and as a member of the Council of State. He was an influential member of the Mylapore clique. Sivawami Iyer died on 5 November 1946 at the age of 82.
Sivaswami Iyer was also active in the Indian independence movement and presented India's case before the League of Nations. He was a keen connoisseur of arts and library science.