G. N. Balasubramaniam (Tamil: ஜி.என்.பாலசுப்பிரமணியம்) (6 Jan 1910 – 1 May 1965), popularly known as GNB, was a vocalist in the Carnatic tradition. He innovated the art through emphasis on laya control & reducing the gamakas which eventually made Carnatic music appeal to the lay and the learned alike.