The term lib or Lib may refer to any of the following:
* Lib Island in the Marshall Islands
* One of two Jaredite kings in the Book of Mormon; see List of Book of Mormon people#L
* Library (computer science)
** .lib is the usual file extension of static libraries on Microsoft platforms
** /lib , a standard directory on Unix-like systems
** The Microsoft Library Manager tool - "LIB"
* Liberal (disambiguation)
** Members or supporters of the Liberal Party of Australia, sometimes in a derogatory fashion
* Liberation (e.g., "women's lib")
* Libertarian
* Libra (constellation), standard abbreviation
* Library, a common abbreviation for "library" , e.g., the URL http://lib.harvard.edu/ |