Rajadurai or Rajathurai () 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 C. Rajadurai (born 1927), Ceylonese politician
Surname Brian Rajadurai (born 1965), Canadian cricketer Perumal Rajadurai (born 1967), Sri Lankan lawyer and politician
Other uses Rajadurai (film), 1993 Tamil film
See also