Ralph Abernathy (March 11, 1936 - 1990) was an American civil rights leader.

He helped Martin Luther King organize the Montgomery Bus Boycott and as president of the Southern Christian Leadership Conference was active in the US civil rights movement.

Abernathy went on to serve as a vice president of Rev. Sun Myung Moon's American Freedom Coalition, a group which seeks to unite conservatives to work toward common goals, such as traditional values, the sanctity of life, and anticommunism.