Mason Alexander Hargrave (March 20, 1923 – December 12, 1988) was an organizer in the African-American community.
He spent his later years in Cleveland, Ohio, in a leadership role at the United Negro Improvement Association (UNIA).
[1] He was involved in promoting use of the red, black, and green Pan-African flag and had it flown over Cleveland City Hall in 1974.
Some of Hargrave's UNIA related papers are part of the Robert A. Hill collection at Duke University.
[5] A book of Marcus Garvey and UNIA papers is dedicated to Hargrave and notes his work preserving documents at the organization.