John Brown Frazier (December 19, 1870 – November 11, 1939) was a United States Navy officer who served as the 1st Chief of Chaplains of the United States Navy from 1917 to 1921. In this capacity, together with Julian E. Yates of the United States Army, he edited The Army and Navy Hymnal (1920). Frazier died at his home in Keswick, Virginia in 1939. He was buried in Arlington National Cemetery along with his wife Catherine Bowles Cook Frazier (February 27, 1878 – November 11, 1933).