Nigooda Rahasya

{{Use dmy dates|date=December 2015}}

{{Use Indian English|date=December 2015}}

{{Infobox film

| name = Nigooda Rahasya

| image =

| caption =

| director = Perala

| producer = Jagadish Malnad
Kashinath Chindupurge

| writer = Perala

| screenplay = Perala

| starring = Shankar Nag
Geetha
Vanitha Vasu
Tara

| music = Hamsalekha

| cinematography = Manohar C.

| editing = Anil Malnad

| studio = J R K Visions

| distributor =

| released = {{Film date|1990|11|29|df=y}}

| country = India

| language = Kannada

}}

Nigooda Rahasya (Kannada: ನಿಗೂಢ ರಹಸ್ಯ) is a 1990 Indian Kannada suspense thriller film, directed by Perala and produced by Jagadish Malnad and Kashinath Chindupurge. The film stars Shankar Nag, Geetha, Vanitha Vasu and Tara in the lead roles. The film has musical score by Hamsalekha.{{cite web|url=http://www.in.com/tv/movies/udaya-movies-140/nigooda-rahasya-12381.html|archive-url=https://web.archive.org/web/20131120111825/http://www.in.com/tv/movies/udaya-movies-140/nigooda-rahasya-12381.html|url-status=dead|archive-date=2013-11-20|title=Nigooda Rahasya|accessdate=2014-09-29|publisher=.in.com}}{{cite web|url=http://www.nthwall.com/ka/Nigooda-Rahasya-1982/9219802032|title=Nigooda Rahasya|accessdate=2014-09-29|publisher=.nthwall.com}}

The movie was released after the demise of Shankar Nag. His brother Anant Nag dubbed for Shankar's character. The core thematic plot of the movie is based on the legend of Naale Baa.