Tatsuo Minagawa (b. Tokyo, 25 April 1927), Japanese musicologist. After graduating in European history at Tokyo University in 1951, he continued with postgraduate courses in aesthetics until 1953. Between 1955 and 1958, he went to the US, and from 1962 to 1964 to Europe, to study musicology. Since then, he has visited Europe almost every year to research musical sources. He was a professor at Rikkyo University in Tokyo from 1968 to 1993, and a lecturer at Tokyo University and Keio University. His work centers on Medieval and Renaissance music history (He is the director of a choral group founded in 1952, which specializes in performing choral music dated up to 1600). His research interests include the introduction and influence of Christian music in Japan in the late 16th century. He was awarded Cavaliere Ordine al Merito della Repubblica italiana in 1978.