The Tamil Nadu State Film Award for Best Male Playback Singer is given by the state government as part of its annual Tamil Nadu State Film Awards for Tamil (Kollywood) films. K. J. Yesudas has won the award for most number (5) of times.
The list
Here is a list of the award winners and the films for which they won.
References
Tamil Nadu State Film Award for Best Male Playback Wikipedia(Text) CC BY-SA