Rahasyarathri

{{Use dmy dates|date=March 2025}}

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

{{Infobox film

| name = Rahasyarathri

| image =

| caption =

| director = A. B. Raj

| producer = R. S. Sreenivasan

| writer =

| screenplay = V. P. Sarathy

| starring = Prem Nazir
Jayabharathi
Adoor Bhasi
Jose Prakash

| music = M. K. Arjunan

| cinematography = P. B. Mani

| editing = B. S. Mani

| studio = Sree Sai Productions

| distributor = Sree Sai Productions

| released = {{Film date|1974|03|23|df=y}}

| country = India

| language = Malayalam

}}

Rahasyarathri is a 1974 Indian Malayalam film, directed by A. B. Raj and produced by R. S. Sreenivasan. The film stars Prem Nazir, Jayabharathi, Adoor Bhasi and Jose Prakash in the lead roles. The film had musical score by M. K. Arjunan.{{cite web|url=http://www.malayalachalachithram.com/movie.php?i=559|title=Rahasyaraathri|accessdate=2014-10-15|publisher=malayalachalachithram.com}}{{cite web|url=http://malayalasangeetham.info/m.php?4904|title=Rahasyaraathri|accessdate=2014-10-15|publisher=malayalasangeetham.info}}{{cite web|url=http://spicyonion.com/title/rehasya-rathri-malayalam-movie/|title=Rehasya Rathri|accessdate=2014-10-15|publisher=spicyonion.com}}