Izuo Anno (Japanese: 阿武巌夫) (December 2, 1909 – December 18, 1939) was a Japanese Olympic athlete who participated in the 1932 Summer Olympics in Los Angeles.
He was 169 cm tall and weighed 63 kg.
He was a graduate of Keio University.
During the Second Sino-Japanese War, while undergoing his military service, he was killed in action in Nanning, Guangxi, Republic of China.
This biographical article relating to Japanese athletics is a stub.