John O'Neal (Medal of Honor)

John O'Neal (c. 1841—after 1872) was an Irish-born United States Navy sailor who received the Medal of Honor for heroism on April 12, 1872.

Medal of Honor citation
Serving on board the U.S.S. Kansas, O'Neal displayed great coolness and self-possession at the time Comdr. A. F. Crosman and others were drowned near Greytown, Nicaragua, 12 April 1872, and by personal exertion prevented greater loss of life.