Chembai Vaidyanatha Bhagavatar was an Indian Carnatic music singer from the state of Kerala. Usually known by his village name Chembai, or simply as Bhagavatar, he was born to Anantha Bhagavatar and Parvati Ammal in 1895. Chembai was noted for his powerful voice and majestic style of singing. His first public performance was in 1904, when he was nine.
He was a recipient of several titles and honours in his performing career of 70 years (1904-1974). He was known for his encouragement of upcoming musicians, and also for his ability to spot new talent. He was responsible for popularizing compositions like Rakshamam, Pavana Guru, among others.