John Brown Jr.

John Brown Jr. may refer to:
 * John A. Brown Jr. (c. 1962–1997), American murderer executed in Louisiana
 * John H. Brown Jr. (1891–1963), U.S. Navy officer
 * John Y. Brown Jr. (1933–2022), Governor of Kentucky from 1980 to 1984
 * John Brown Jr. (Navajo) (1929–2001), American Navajo Code Talkers
 * John Brown Junior (1821–1895), American abolitionist