Kōtarō Tanaka (田中 幸太郎, Tanaka Kōtarō, 1901–1995) was a Japanese amateur photographer particularly noted for his photography of Osaka and his use of color.
[1] From 1932 onwards he participated in a variety of amateur photography groups.
From 1948 he worked in the Osaka office of Asahi Shinbun's publishing company.
In 1962 he started photographing firework displays in color (then still unusual for such purposes), with his camera attached to his moving body.
Starting in the seventies, Tanaka won a series of awards for his long service to amateur photography in the Kansai area.