Eunice Odio (pseudonym, Catalina Mariel; San José, Costa Rica, October 18, 1919 – Mexico City, Mexico, March 23, 1974) was a notable Latin American poet. She wrote articles, essays, reflections, letters, short stories and children's literature. Odio worked as a journalist and she also taught English and French. She left an extensive body of poetic work. In addition to Costa Rica and Mexico, she also lived in Cuba, Guatemala, Nicaragua, and the United States. She married the painter in order to gain Mexican citizenship.