John Brown Frazier (December 19, 1870[1] – November 11, 1939)[2] was a United States Navy officer who served as the 1st Chief of Chaplains of the United States Navy from 1917 to 1921.

[1] Trained as a Southern Methodist minister,[6] he joined the Navy on March 2, 1895 in Tennessee[7][8] and was commissioned in the Chaplain Corps on May 25, 1895.

[1] Frazier was assigned as chaplain to the crew of the USS Olympia on July 19, 1895.

Frazier was reassigned to the training ship USS Adams on November 12, 1898.

[5] He was buried in Arlington National Cemetery[2] along with his wife Catherine Bowles Cook Frazier (February 27, 1878[10] – November 11, 1933).