Kawaguchi Kaiji (born July 27, 1948) is a Japanese manga author whose works include Eagle and Zipang. Generally, his stories involve Japan and examine the moral choices that people make in extreme situations. He received the Kodansha Manga Award three times, for Actor in 1987, for The Silent Service in 1990, and for Zipang in 2002. He has also received the Shogakukan Manga Award, for A Spirit of the Sun in 2006.