Amarin may refer to:
Amarin Corporation, an Irish-American biopharmaceutical company Amarinus, a Roman Catholic saint associated with Saint Praejectus Saint-Amarin, a commune in France (named after the saint) Amarin Group, a Thai media and publishing company Amarin TV, a television channel in Thailand, owned by Amarin Group Amarin Plaza, a shopping mall in Thailand Amarin Plaza Company, a former name of The Erawan Group, a Thai hospitality company Wat Amarinthraram, a Buddhist temple in Thailand Eh Amarin Phouthong, a Kun Khmer boxer from Cambodia