Paul Nobuo Tatsuguchi (辰口 信夫 Tatsuguchi Nobuo), sometimes mistakenly referred to as Nebu Tatsuguchi (August 31, 1911 – May 30, 1943), was a surgeon in the Imperial Japanese Army (IJA) during World War II. He was killed during the Battle of Attu on Attu Island, Alaska, United States on May 30, 1943.