Vaidyanathan

Vaidyanathan or Vaithianathan (வைத்தியநாதன்) 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

 * 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