Nandha En Nila () is a 1977 Indian Tamil-language film directed by A. Jagannathan and written by Pushpa Thangadurai. It is based on Thangadurai's novel of the same name that was serialised in Dinamani Kathir. The film stars Vijayakumar, Sumithra and Fatafat Jayalaxmi. It was released on 9 December 1977.
The music was composed by V. Dakshinamoorthy. The title song is set to the Hindustani raga Madhuvanti. It attained popularity, as did "Oru Kaathal Saamrajyam".