Other
- Clan Logan, a Scottish clan name
- Renault/Dacia Logan, low cost car (automobile) produced by Renault and Dacia
- Logan (band), rock band from Glasgow, Scotland
- Logan (film), 2010 American film
- Logan Act, United States law forbidding private citizens from negotiating with foreign governments
- Logan Medal, award given to Canadian geologists for outstanding contribution to the field
- Logan Rock, rocking stone found in Cornwall, United Kingdom
- Logan's Roadhouse, American restaurant chain
- Logan's Run, a 1967 science fiction novel
- Logan's Run (film), a film adaptation of the novel
- Logan's Run (TV series), a TV series based on the film and novel
- Logan's Run (2010 film), a remake in development that will use elements of the novel and the previous film
- Loganberry, a hybrid produced from crossing a blackberry and a raspberry
- Longan, a southeast Asian fruit sometimes misspelled “Logan”
- Rocking Stones, also known as Logan stones, large stones that are carefully balanced so as to move with the slightest touch
- Souths Logan Magpies, rugby league club from Brisbane, Australia
- VF-8 Logan, fictional fighter craft from the animated television series, Robotech
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