John Logan
John Logan or Johnny Logan may refer to:
Politicians and judges
- John Alexander Logan (judge) (born 1956), Australian judge
- John Logan (judge) (b. 1956), Australian judge of the Federal Court of Australia
- John William Logan (1845–1925), civil engineering contractor and British Member of Parliament
Literature
- John Logan (minister) (1748–1788), Scottish poet and minister at Leith
- John Logan (poet) (1923–1987), American poet and educator
- John Logan (writer) (born 1961), American screenwriter and playwright
- John Logan, a fictional character in Ian McEwan's 1997 novel Enduring Love and its 2004 film adaptation
Military
- SS John A. Logan or USS Alnitah (AK-127), American US Navy ship in service during the Second World War
- John Logan (pioneer) (1747–1807), Indian fighter and first treasurer of the U.S. state of Kentucky
- John A. Logan (John Alexander Logan, 1826–1886), American soldier and politician
- John Alexander Logan, Jr. (1865–1899), American United States Army General; posthumous Medal of Honor award
- Dr. John Logan, a physician who works for NASA that spoke on the Sex in Space panel held by the Space Frontier Foundation.
Music
- Johnny Logan (singer) (born 1954), Australian-Irish singer and songwriter
- John "Juke" Logan (born 1954), American blues harmonica player and songwriter
- Johnny "Guitar" Logan, main character in the film Johnny Guitar
Sport
- Johnny Logan (basketball) (1921–1977), American basketball player and coach
- Johnny Logan (baseball) (born 1927), former professional American baseball player
- John Logan (American football) (1891-1977), American football player
- John Logan (footballer, born 1912) (1912–1980), English football wing-half for Darlington, Barnsley and Sheffield Wednesday
- John Logan (footballer, born 1871) (1871-after 1896), Scottish football outside-left for Partick Thistle and Small heath