Yaiba is a Japanese manga series written and illustrated by Gosho Aoyama. It was serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday from September 1988 to December 1993, with its chapters collected in twenty-four tankōbon volumes. It was adapted into a 52-episode anime television series titled Kenyū Densetsu Yaiba, aired on TV Tokyo from April 1993 to April 1994. A second anime adaptation has been announced.

Gosho Aoyama is a Japanese manga artist best known for his manga series Case Closed. As of 2017, his various manga series had a combined 250 million copies in print worldwide.