Era Krishnappa Nayak was the king of Belur. He reigned from 1524 to 1566. He ruled Hassan and Kodagu region.
Era Krishnappa Nayaka belonged to the Telugu-speaking Balija caste. He was the son of Pottappa Nayaka, his grand father Timmappa Nayak and great-grandfather of Giriyappa Nayak. His brother Surappa Nayaka, ruled gingee region.
He served as the Tambula Karandavahin () to Krishnadevaraya. Era Krishappa Nayak was then succeeded by his son Venkatadri Nayaka.