John H. Ferrell (April 15, 1829 – April 17, 1900) was a civilian employee of the Union Navy during the American Civil War and a recipient of the United States military's highest decoration, the Medal of Honor. He is one of only a handful of civilians to have received the medal. Ferrell's official Medal of Honor citation reads: Ferrell died April 17, 1900, at age 71 and was buried at Price Cemetery in Elizabethtown, Illinois.