Jar (disambiguation)
- Ajar (disambiguation)
- Alexandru Jar
- Car, Azerbaijan
- Downthesun
- Downthesun (album)
- Flybanger
- Gabriel Jars
- J.A.R.
- JAR (file format)
- JAR Pictures
- JAR Stadium
- Jaar (disambiguation)
- James A. Rhodes Arena
- Jamming avoidance response
- Jar (album)
- Jar (unit)
- Jar IL
- Jar station
- Jar, Iran
- Jar, Kurdistan
- Jar, Norway
- Jarawa language (Nigeria)
- Jareš
- Jarra (disambiguation)
- Jarre
- Jars (song)
- Jars, Cher
- Jay Graydon
- Jewish Autonomous Oblast
- John A. Ryan Arena
- Joint Aviation Requirements
- Nightbringers
- Order of the Jar
- Plain of Jars
- Randy Goodrum
- Ray Bradbury short fiction bibliography
- The Jar
- The Jars