Ponnambalam or Ponnampalam () is a Tamil male given name. Due to the Tamil tradition of using patronymic surnames it may also be a surname for males and females.
Given name Ponnambalam (actor) (born 1963), Indian actor A. Ponnambalam (1814–1887), Ceylonese colonial-era government functionary Cathiravelu Ponnambalam, Ceylonese politician G. G. Ponnambalam (1901–1977), Ceylonese politician and lawyer V. Ponnambalam (1930–1994), Sri Lankan politician and teacher
Surname Gajendrakumar Ponnambalam (born 1974), Sri Lankan politician Kaarthigesar Ponnambalam Ratnam (1914–2010), Ceylonese politician and academic Kumar Ponnambalam (1938–2000), Sri Lankan politician and lawyer Ponnambalam Arunachalam (1853–1924), Ceylonese statesman Ponnambalam Kandiah (1914–1960), Ceylonese politician Ponnambalam Kumaraswamy (1930–1988), Indian hydrologist Ponnambalam Nagalingam, Ceylonese politician Ponnambalam Ramanathan (1851–1930), Ceylonese politician Ponnambalam Selvarasa (born 1946), Sri Lankan politician Satchi Ponnambalam (1935–1999), Sri Lankan lawyer and judge