First Blood is a 1982 American action adventure film directed by Ted Kotcheff. It is co-written by and starring Sylvester Stallone as John Rambo, a troubled and misunderstood Vietnam veteran who must rely on his combat and survival senses against the abusive law enforcement of a small town. It is based on David Morrell's 1972 novel of the same name and is the first installment of the Rambo series. Brian Dennehy and Richard Crenna also appear in supporting roles.

First Blood is a Metalcore band from San Francisco, CA. Their Trustkill Records debut album is titled Killafornia. Four years later they released Silence Is Betryal on Bullet Tooth Records.