Fisherman Sanpei

is a Japanese fishing manga written and illustrated by Takao Yaguchi. The manga was serialised in Kodansha's Weekly Shōnen Magazine from 1973 to 1983 until its official release into 67 (65 main + 2 side-stories) tankobon volumes between July 5, 2003 and October 5, 2005.

The manga was adapted into an 109-episode anime series directed by Yoshikata Nitta which was broadcast on Fuji TV from April 7, 1980 and July 28, 1982.

The author then published a Heisei sequel series of the original Showa series titled which was released under Kodansha's KC Deluxe imprint for 12 volumes.

A spin-off titled was released under Kodansha's Evening KC/Premium KC imprint for 7 volumes.