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