Frederick Flaxington Harker (1876–1936) was an American organist and composer of sacred music.
He emigrated to the United States at 25, and served as Organist and Choirmaster of All Souls Episcopal Church in Asheville, North Carolina.
Beginning in 1914, Harker served as Organist and Choirmaster at St. Paul's Episcopal Church in Richmond, Virginia.
Harker composed cantatas, anthems, choruses, songs both sacred and secular, and some works for organ.
This article about a United States composer born in the 19th century is a stub.