Ponnambalam Ramanathan, Sri Lankan lawyer and politician, 3rd Solicitor General of Sri Lanka (d. 1930)
Sir Ponnambalam Ramanathan, CMG, KC (Tamil: பொன்னம்பலம் இராமநாதன், romanized: Poṉṉampalam Irāmanātaṉ; 16 April 1851 – 26 November 1930) was a Ceylon Tamil lawyer, politician and Solicitor-General of Ceylon.