Fabián Arenillas was born in 1964 in Bánfield, Lomas de Zamora, Buenos Aires, Argentina. He is an actor, known for Ciega a citas (2009), Son of the Bride (2001) and Thesis on a Homicide (2013).

Studied acting with Carlos Moreno, Augusto Fernandes, Norman Briski and Ricardo Bartis.

Father of Mora Arenillas.