Clas or CLAS may refer to:
- Clas (given name)
- Clas (ecclesiastical settlement), a medieval church in Wales
- CLAS (education), a standards-based assessment used in California
- CLAS detector, the CEBAF Large Acceptance Spectrometer at the Thomas Jefferson National Accelerator Facility
- CESG Listed Advisor Scheme, a system of IT Security specialists working on government computer systems in the UK
- University of Florida College of Liberal Arts and Sciences
- University of Iowa College of Liberal Arts and Sciences
- Center for Latin American Studies - University of Pittsburgh
- Community Legal Assistance Society, a legal aid office in Vancouver, British Columbia.
- Conjugated linoleic acids
This disambiguation page lists articles associated with the title Clas.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: