Ravalnath (Konkani: रवळनाथ, Ravaḷhanāth), also widely known as Roulu, (रवळू, Ravaḷhu)[a] is a popular Hindu deity in Goa and the Sindhudurg district of coastal Maharashtra, in western India. Shrines of Ravalnath are also found in border areas of Belgaum specially in Karle and Uttar Kannada districts as well as coastal areas of Karnataka.He is worshipped as the main deity or an affiliate deity in most temples of Goa. He is associated with the guardian aspect of Shiva.
Ravalnath is a guardian deity (Kshetrapala) who protects the locality from climatic disasters, witchcraft and snakebites. Ravalnath along with Santeri, Bhumika, Bhutnath and Betal is a popular folk deity worshipped as Gramadevata (village god) in most villages of Goa and Sindhudurg of Maharashtra.