Brahmananda Swami (August 26, 1852 – September 10, 1929), also known as Alathur Shivayoghi, was a sanyasi from Kerala, India who founded the Ananda Maha Sabha in 1918 and Anandamadham (religion of bliss) in 1919 .
An atheist, he denounced idol worship and religions.
He started sidhdhasramam in alathur on 1891.
He propounded the theory that anandi (happiness or bliss) should be the touchstone of any human activity.
The movement he spearheaded played an important role in the Kerala reformation movement.