Miguel del Castillo was born in Rio de Janeiro in 1987 to an Uruguayan father and a Brazilian mother.
In 2010 he moved to São Paulo, where he worked for the Cosac Naify publishing house.
He is the author of the short story book Restinga (2015) and the novel Cancún (2019, finalist for the São Paulo Literature Prize), both published by Companhia das Letras.
He was chosen as one of the best young Brazilian writers by Granta magazine in 2011/12, and his short story Violeta was included in the resulting anthology.
A postgraduate student in at the Department of Literary Theory and Comparative Literature at USP, he has researched the life and work of Uruguayan writer Felisberto Hernández.