Vaali (born T. S. Rangarajan; 29 October 1931 – 18 July 2013) was an Indian poet and lyricist whose works were in Tamil, had a five-decade long association with the Tamil film industry, wrote over 15,000 songs. He acted in a number of films, including Sathya, Hey Ram, Paarthale Paravasam and Poikkal Kudhirai. He was honoured by the Government of India with the Padma Shri, India's fourth highest civilian honour.

Vaali (born T. S. Rangarajan; 29 October 1931 – 18 July 2013) was an Indian poet and lyricist whose works were in Tamil, had a five-decade long association with the Tamil film industry, wrote over 15,000 songs. He acted in a number of films, including Sathya, Hey Ram, Paarthale Paravasam and Poikkal Kudhirai. He was honoured by the Government of India with the Padma Shri, India's fourth highest civilian honour.