Francis Xavier Osamu Mizobe was born on March 5, 1935, and died on February 29, 2016.

He was a Roman Catholic bishop.

He was ordained to the priesthood, Mizobe was ordained to the priesthood on February 9, 1964.

Francis Xavier Osamu Mizobe served as bishop of the Roman Catholic Diocese of Sendai, Japan from 2000 to 2005 and as bishop of the Roman Catholic Diocese of Takamatsu from 2005 to 2011.

Francis Xavier Osamu Mizobe passed away 80 yrs old.