John Logan

John Logan or Johnny Logan may refer to:

* John Logan (minister) (1748-1788), eighteenth century Scottish poet and minister at Leith
* 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
* Johnny Logan (basketball) (1921-1977), American basketball player and coach
* John Logan (poet) (1923-1987), American poet and educator
* Johnny Logan (baseball player) (b. 1927), former professional American baseball player
* Johnny Logan (singer) (b. 1954), pseudonym for Australian singer and songwriter Seán Patrick Michael Sherrard
* John Alexander Logan (judge) (b. 1956), Australian judge of the Federal Court of Australia
* John Logan (writer) (b. 1961), American screenwriter and playwright
* John Logan (set designer), American Tony Award winning lighting designer
* John Logan (Australian newsreader), an Australian ABC radio newsreader
* 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