Bad Day to Go Fishing (original title, Mal día para pescar) is a Spanish-Uruguayan film directed by Álvaro Brechner and released in 2009. The film stars Gary Piquer, Jouko Ahola, Antonella Costa and Cesar Troncoso. It was screened as part of the official selection of the Critics Week at 2009 Cannes Film Festival.

The screenplay was written by Álvaro Brechner in collaboration with Gary Piquer, and was adapted from a short story by the Uruguayan writer Juan Carlos Onetti.

The film tells the story of a strongman and his crafty manager, who tour small South American towns staging wrestling matches. Arriving in Santa Maria, they are met with uncommon enthusiasm by the locals, snowballing into a major challenge to their livelihood and their friendship.