Gabriel Bá (born 5 June 1976) is a Brazilian comic book artist best known for his work on The Umbrella Academy, Casanova, and Daytripper.

In the US, they have contributed on the Dark Horse anthology Autobiographix, published in 2003, alongside such comic book greats as Frank Miller and Will Eisner.

In 2006, they released De:TALES with Dark Horse, elected by Booklist as one of the 10 best Graphic Novels of that year and nominated for an Eisner Award for Best U.S.

In 2007, Bá worked on The Umbrella Academy with writer Gerard Way, which is being published by Dark Horse, and his brother Fábio Moon took over the art on Casanova.

[2] In 2008, Bá self-published PIXU, a horror comics anthology, with Fabio Moon, Becky Cloonan and Vasilis Lolos.