The Universidad Autónoma de Bucaramanga or UNAB (Autonomous University of Bucaramanga) is a private post-secondary education institution in Bucaramanga, Colombia.

It was founded in 1952 under the name of Instituto Caldas.

[1] In 1956 the institution was recognized as a law school, and became a university under the current name in 1987.

Administration, Law and Public Accounting are its oldest programs.

It now offers 19 programs.