John Logan may refer to:

• John Logan (minister) (1748–1788), eighteenth century Scottish poet and minister at Leith
• John A. Logan (1826–1886), American soldier and politician
• John Alexander Logan, Jr. (1865–1899), American United States Army General; posthumous Medal of Honor award
• Johnny Logan (basketball) (1921–1977), American basketball player and coach
• John Logan (poet) (1923–1987), American poet and educator
• Johnny Logan (baseball) (b. 1927), former professional American baseball player
• Johnny Logan (singer) (b. 1954), pseudonym for Australian singer and songwriter Seán Patrick Michael Sherrard
• John Logan (judge) (b. 1956), Australian judge of the Federal Court of Australia
• John Logan (writer) (b. 1961), American screenwriter and playwright
• John Logan (footballer) (1912–1980), English football wing-half for Darlington, Barnsley and Sheffield Wednesday
• John Logan (Scottish footballer) (1871–after 1896), Scottish football outside-left for Partick Thistle and Small heath
• John Logan, a fictional character in Ian McEwan's novel Enduring Love and its 2004 film adaptation
• SS John A. Logan, aka USS Alnitah (AK-127), American US Navy ship in service during the Second World War

See also

• Jack Logan (disambiguation)