Periyar (E. V. Ramasamy, 1879–1973) was a Tamil social reformer. Periyar or Periyaar may also refer to: Places Periyar River, in Kerala, India Periyar district, now Erode district, in Tamil Nadu, India Periyar National Park, in Kerala, India Mullaperiyar Dam, a dam in Idukki district, Kerala, India Vandiperiyar, a village in Idukki district, Kerala, India People Periyar Dasan (1949–2013), actor from Tamil Nadu, India Organisations Periyar Maniammai University, in Thanjavur, Tamil Nadu, India Periyar University, in Salem, Tamil Nadu, India Media Periyar (1973 film), a Malayalam-language film Periyar (2007 film), a Tamil-language film Ramasamy Naicker (2010 film), a Telugu-language film See also Periyar Dravidar Kazhagam, a former political party in Tamil Nadu, India