Vaidyanathan or Vaithianathan () 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.
Notable people Given name Kanthiah Vaithianathan (1896–1965), Ceylonese civil servant Kunnakudi Vaidyanathan (1935–2008), Indian classical music violinist L. Vaidyanathan (1942–2007), Indian musicologist L. V. Vaidyanathan (1928–2000), Indian soil scientist M. Vaithianathan, Indian politician P. P. Vaidyanathan (born 1954), Indian academic S. R. D. Vaidyanathan (1929–2013), Indian musician Sunil Vaidyanathan (born 1976), Indian author Tiruvarur Vaidyanathan (born 1963), Indian mridangam artist V. Vaidyanathan (born 1968), Indian businessman
Surname Ameya Vaidyanathan (born 1996), Indian racing driver Ananth Vaidyanathan (born 1957), Indian singing trainer Anu Vaidyanathan (born 1983/4), Indian triathlete Arun Vaidyanathan, Indian-American film director Ganesh Vaidyanathan (born 1956), American academic Nirupama Vaidyanathan (born 1976), Indian tennis player Rama Vaidyanathan, Indian bharatnatyam artist Rhema Vaithianathan, New Zealand academic Saroja Vaidyanathan (1937–2023), Indian choreographer Suresh Vaidyanathan (born 1966), Indian performing artist Vaithianathan Navaratnam (1909–2006), Ceylonese politician Vaidyanathan Thirunavukkarasu (1926–2008), Singaporean journalist Vaithianathan Venkatasubramanian, American academic Vasantha Vaidyanathan (1937–2018), Sri Lankan broadcaster Vinodhini Vaidyanathan (born 1981), Indian actress
See also Vaidyanathapura
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