Eunice Odio (pseudonym, Catalina Mariel; October 18, 1919 – March 23, 1974) was a prominent Latin American poet known for her diverse body of work, including articles, essays, reflections, letters, short stories, and children's literature.

She also held roles as a journalist and educator, teaching English and French.

[1] She was born in San José, Costa Rica.

Odio resided in various countries including Costa Rica, Mexico, Cuba, Guatemala, Nicaragua, and the United States during her lifetime.

[2] She gained Mexican citizenship through marriage to the painter Rodolfo Zanabria.