Katha Nayagan or Kathanayagan (; ) may refer to these Indian films:
Kathanayagan (1988 film), a Tamil-language film Katha Nayakan, a 1997 Malayalam-language film Kathanayagan (2017 film), a Tamil-language film
See also Protagonist (disambiguation) Kathanayakudu (disambiguation) Kadhanayagi (), an Indian 2023 Tamil-language TV series