Junior is:
- A student in the third year and above of high school or college.
- A child.
- A low-level position.
- The younger of two people with the same name (e.g., Ken Griffey, Jr). They may also be called II, especially if there's a third or fourth with the same name.
- An informal term used to contrast the inexperience of an individual compared to an experienced one.
- A nickname for George W. Bush.
- In Fraggle Rock, the name of the Gorgs' son.
- The name of the child character in the movie Problem Child.
See also Junior Mints.