Walter Mercado Salinas (9 March 1932 – 2 November 2019), also known by his stage name Shanti Ananda, was a Puerto Rican astrologer, actor, dancer, and writer, best known as a television personality for his shows as an astrologer. His astrological prediction shows aired for decades in Puerto Rico, Latin America and the United States, and he became a cultural phenomenon in the Hispanic community.