Arunachalam or Arunachala is a South Indian given name, most commonly used in Tamil Nadu.
Arunachala Sreenivasan (1909–1996), Indian nutritional scientist
Arunachala Kavi (1711–1779), Tamil poet and a composer
Arunachala Thevar, Indian politician from Tamil Nadu
Arunachalam Muruganantham (born 1962), Indian social entrepreneur
Arunachalam Ponnambalam Family, several notable Tamil people
Arunachalam Ponnambalam (1814–1887), Ceylonese government functionary, businessmen and philanthropist
Ponnambalam Arunachalam (1853–1924), Ceylonese statesman and barrister
Arunachalam Mahadeva (1885–1969), Sri Lankan legislator and diplomat
Arunachalam Sabapathy (1853–1924), Ceylonese editor and member of the Legislative Council of Ceylon
A. Arunachalam, Indian politician, elected to Tamil Nadu Legislative Assembly in 1984 and 2006
Jaya Arunachalam (born 1935), Indian social worker
M. Arunachalam (born 1949), Indian entrepreneur based in Hong Kong
M. Arunachalam (Tamil Nadu politician) (1944–2004), former Member of Parliament
Panchu Arunachalam (1941–2016), Indian writer, director, producer and lyricist in Tamil cinema
Pon Arunachalam (born 1946), Indian Tamil writer
R. Arunachalam, former Member of the Legislative Assembly of Tamil Nadu, elected 1977, 1980, and 1984
Subbiah Arunachalam (born 1941), Indian information consultant
Subbu Panchu Arunachalam (born 1969), Indian actor and film producer
V. Arunachalam (1933–2004), Tamil politician, activist, and writer
V. S. Arunachalam, former Member of the Legislative Assembly of Tamil Nadu, elected 1957 and 1962
V. S. R. Arunachalam, Indian scientist
Arunachalam (given name) Wikipedia (Text) CC BY-SA