Marta Aponte Alsina (Puerto Rico, 1945) is a novelist, short story writer, essayist, and literary critic. She has published the novels Angélica furiosa (1994), El cuarto rey mago (1996), Vampiresas (2004), Sexto sueño (2007), El fantasma de las cosas (2010), Sobre mi cadáver (2012), Mr. Green (2013), and La muerte feliz de William Carlos Williams (2015, 2017), as well as short story collections and essays. She also runs a blog, angelicafuriosa.blogspot.com, and a Facebook page. She was a finalist for the Premio Sor Juana Inés de la Cruz in 1997 at the Guadalajara International Book Fair for El cuarto rey mago, and she received the Premio del Instituto de Literatura Puertorriqueña in 2000 for La casa de la loca y otros relatos and the Premio Nacional de Novela 2008 from the Puerto Rico PEN Club for Sexto sueño. She is currently working on her next novel.