Sripathi Panditaradhyula Balasubrahmanyam (born June 4, 1946), (Telugu: శ్రీపతి పండితారాధ్యుల బాల సుబ్రహ్మణ్యం, Kannada: ಎಸ್. ಪಿ. ಬಾಲಸುಬ್ರಮಣ್ಯಂ, Tamil: எஸ். பி. பாலசுப்ரமணியம்); is a prolific Indian singer and actor. He is also known as S. P. B. and Balu .

Balasubrahmanyam made his debut in film music as a singer on December 15, 1966 with Sri Sri Sri Maryada Ramanna, a film scored by his mentor S. P. Kodandapani. He has sung in more than five different Indian languages including Telugu, Tamil, Kannada, Hindi and Malayalam.

He has performed both the popular and classical music of India. For example, the songs he performed in the films Sankarabharanam, Sagara Sangamam, and Rudra Veena were based on Carnatic classical music, and the song "Umandu Ghumandu" in the movie Ganayogi Panchakshari Gavayi was based on Hindustani classical music.

He hosts a TV show in Telugu called Paadutha Theeyaga on E-TV, Paadalani Undi on MAA-TV, and a Kannada show Ede Thumbi Haaduvenu on E-TV Kannada and Tamil show Ennodu Paattu Paadungal on JAYA-TV. He also anchors a music show called Sunada Vinodini in TTD Channel.

He entered The Guinness Book of World Records for recording the most number of songs. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.