Blood In Blood Out (also known as Bound by Honor) is a 1993 American crime-drama film directed by Taylor Hackford. It follows the intertwining lives of the three Chicano relatives from 1972 to 1984. They start out as members of a street gang in East Los Angeles, and as dramatic incidents occur, their lives and friendships are forever changed. Blood In Blood Out was filmed in 1991 throughout the Spanish-speaking areas of Los Angeles and inside California's San Quentin State Prison.

Blood In, Blood Out may refer to:

• Blood In Blood Out, a 1993 film
• Blood In, Blood Out (Axe Murder Boyz album), a 2006 album by Axe Murder Boyz
• Blood In, Blood Out (Exodus album), a 2014 album by Exodus