Un oso rojo ("Red Bear" or "A Red Bear") is a 2002 Argentine, Spanish, and French neo-Western action drama film directed by Israel Adrián Caetano.

The film was produced by Lita Stantic, and the screenplay was written by Caetano and Graciela Speranza, from the story penned by Romina Lafranchini. The picture features Julio Chávez, Soledad Villamil, Luis Machín, and Agostina Lage, among others.

In a survey of the 100 greatest films of Argentine cinema carried out by the Museo del Cine Pablo Ducrós Hicken in 2000, the film reached the 38th position.