Lone Wolf and Cub: Sword of Vengeance is a 1972 Japanese chambara film directed by Kenji Misumi. The film tells the story of Ogami Ittō, a wandering assassin for hire who is accompanied by his young son, Daigoro. It is the first in a series of six films in the Lone Wolf and Cub series.

Kenji Misumi was a Japanese film director. He created film series such as Lone Wolf and Cub and the initial film in the long-running Zatoichi series, and also directed Hanzo the Razor: Sword of Justice, starring Shintaro Katsu. He died at age 54.