K. V. Mahadevan (born Krishnankoil Venkatachalam Mahadevan 14 March 1918 – 21 June 2001) was an Indian composer, singer-songwriter, music producer, and musician known for his works in Telugu cinema, Tamil cinema, Kannada cinema, and Malayalam cinema. He is best known for his contributions in works such as Manchi Manasulu (1962), Lava Kusa (1963), Kandan Karunai (1967), Adimai Penn (1969), Balaraju Katha (1970), Sankarabharanam (1979), Saptapadi (1981), Sirivennela (1986), Shrutilayalu (1987), Pelli Pustakam (1991), and Swathi Kiranam (1992). K. V. Mahadevan was born in 1918 at Nagercoil, Krishnancoil, Kanyakumari district.
A contemporary of M. S. Viswanathan and T. K. Ramamoorthy, starting his career in the 1942 with Manonmani, Mahadevan scored music for over six hundred feature films, spanning four decades, and has garnered two National Film Awards, the Tamil Nadu State Film Award for Best Music Director, three Nandi Awards for Best Music Director, and the Filmfare Best Music Director Award (Telugu).
K. V. Mahadevan did music composing for more than 50 years, beginning from 1942 till 1993.
He worked with singers earlier like T. M. Soundararajan, A. M. Rajah, Seerkazhi Govindarajan, Thiruchi Loganathan, Ghantasala, C. S. Jayaraman, V. N. Sundharam, T. A. Mothi, P. B. Sreenivas, S. C. Krishnan, A. L. Raghavan, Dharapuram Sundararjan, P. A. Periyanayaki, M. L. Vasanthakumari, P. Leela, T. V. Rathinam, R. Balasaraswathi Devi, A. P. Komala, Radha Jayalakshmi, Jikki, M. S. Rajeswari, T. S. Bagavathi, K. Jamuna Rani, P. Suseela, A. G. Rathnamala, N. L. Ganasaraswathi, K. Rani, K. V. Janaki, Soolamangalam Jayalakshmi, Soolamangalam Rajalakshmi, Udutha Sarojini, S. Janaki and L. R. Eswari.
Later on he engaged K. J. Yesudas, S. P. Balasubrahmaniam, P. Jayachandran, A. V. Ramanan, Malaysia Vasudevan, Vani Jairam, B. S. Sasirekha, Uma Ramanan, S. P. Sailaja and K. S. Chithra.
The singing actors M. M. Dandapani Desikar, C. Honnappa Bhagavathar, U. R. Jeevarathinam, T. R. Mahalingam, T. R. Rajakumari, K. R. Ramaswamy, Chittor V. Nagaiah, P. Bhanumathi, N. S. Krishnan, T. A. Madhuram and J. P. Chandrababu also sang memorable songs under his compositions.Nairu Pidicha Pulivalu (1958) - Background Score only.
Aana Valarthiya Vanampadiyude Makan (1971)
Kayalum Kayarum (1979)
Enne Snehikkoo Enne Maathram (1981)
Piriyilla Naam (1984)
Mangalya Charthu (1987)
Guru Shishyaru (1981)
Krishna Rukmini (1988)
National Film Award for Best Music Direction (1967) for Kandan Karunai (first recipient of the award)
Tamil Nadu State Film Award for Best Music Director (1969) for Adimai Penn
National Film Award for Best Music Direction (1980) for Sankarabharanam
Nandi Award for Best Music Director (1980) for Sankarabharanam
Nandi Award for Best Music Director (1987) for Shrutilayalu
Nandi Award for Best Music Director (1991) for Manjeera Nadam
Filmfare Best Music Director Award (Telugu) (1992) for Swathi Kiranam
K.V.Mahadevan, at the time of his death, was survived by his wife, two sons and three daughters. The famous son being V. Mahadevan, whose debut role was that of a Judge in the Tamil film Maasilamani.
K.V. Mahadevan died on 21 June 2001 in Chennai when he was 83.