The Book of Fish (Korean: 자산어보; RR: Jasaneobo) is a 2021 South Korean black-and-white historical drama film directed by Lee Joon-ik. The film starring Sul Kyung-gu and Byun Yo-han, is about an exiled Joseon era scholar and a fisherman and their exchange of knowledge in writing a  book. It was theatrically released on March 31, 2021.

The film won the Grand Prize at 57th Baeksang Arts Awards in May 2021.