Gajendrakumar Gangaser Ponnambalam (Tamil: கஜேந்திரகுமார் காங்கேசர் பொன்னம்பலம், romanized: Kajēntirakumār Kāṅkēcar Poṉṉampalam; born 16 January 1974) is a Sri Lankan lawyer, politician and Member of Parliament.

[3][5] Ponnambalam qualified as a barrister-at-law from Lincoln's Inn and was called to the bar of England and Wales in 1997.

[9] In March 2010 Ponnambalam, along with fellow TNA MPs S. Kajendran and Pathmini Sithamparanathan, left the TNA and formed the Tamil National People's Front (TNPF).

[15][16] Ponnambalam contested the 2020 parliamentary election as a TNPF candidate in Jaffna District and was re-elected to the Parliament of Sri Lanka.

[17][18][19] Ponnambalam has extensive shareholdings in several companies listed on the Colombo Stock Exchange - either directly or through family owned companies Gee Gees Properties (Pvt) Ltd and Gitanjali Gajaluckshmi (Pvt) Ltd - including Serendib Land PLC (property developer), LOLC Holdings PLC/Lanka ORIX Leasing Company (leasing, factoring and microfinance) and Bukit Darah PLC (palm oil).