Rambo is an American media franchise centered on a series of action films featuring John J. Rambo. The five films are First Blood (1982), Rambo: First Blood Part II (1985), Rambo III (1988), Rambo (2008), and Rambo: Last Blood (2019). Rambo is a United States Army Special Forces veteran played by Sylvester Stallone, whose Vietnam War experience traumatized him but also gave him superior military skills, which he has used to fight corrupt police officers, enemy troops and drug cartels. First Blood is an adaptation of the 1972 novel First Blood by David Morrell.

John James Rambo is a fictional character in the Rambo franchise. He first appeared in the 1972 novel First Blood by David Morrell, but later became more famous as the protagonist of the film series, in which he was played by Sylvester Stallone. The portrayal of the character earned Stallone widespread acclaim and recognition. The character was nominated for American Film Institute's list 100 Years…100 Heroes and Villains. Following the success of the first movie, the term "Rambo" was occasionally used in media circles to describe a lone wolf who is reckless, disregards orders, uses violence to solve all problems, enters dangerous situations alone, and is exceptionally tough, callous, raw and aggressive.