Dolores Mercedes Koch (née Gonzalez, 1928 - 11 June 2009) was a Cuban American literary critic and translator who was a pioneer in the area of microfiction.

Koch was born in Havana, Cuba in 1928.^[1]

Koch completed her higher education at the Graduate Center of the City University of New York.^[2] She received her PhD in Latin American Literature in 1986, and in addition to her work on microfiction, translated to English several important Spanish-language works, including those of Laura Restrepo, Jorge Bucay, Alina Fernández, Emily Schindler, Enrique Joven, and her compatriot Reinaldo Arenas, whose work Before Night Falls^[3] was adapted to a film of the same name.^[4][5][6]

Her article (in Spanish) "El micro-relato en México: Torri, Arreola, Monterroso y Avilés Fabila", published in 1981, is the first critical work on microfiction in the Spanish-speaking world.

Koch died at her home in New York on 11 June 2009.^[1]