Clas or CLAS may refer to:
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Clas (given name)
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Clas (ecclesiastical settlement) A clas (Welsh ''clasau'') was a native Christian church in early medieval Wales. Unlike later Norman monasteries, which were made up of a main religious building supported by several smaller buildings, such as cloisters and kitchens, a clas w ...
, a medieval church in Wales
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CLAS (education), a standards-based assessment used in California
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CLAS detector CEBAF Large Acceptance Spectrometer (CLAS) is a nuclear and particle physics detector located in the experimental Hall B at Jefferson Laboratory in Newport News, Virginia, United States. It is used to study the properties of the nuclear matter by ...
, the CEBAF Large Acceptance Spectrometer at the Thomas Jefferson National Accelerator Facility
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CESG Listed Advisor Scheme, a system of IT Security specialists working on government computer systems in the UK
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University of Florida College of Liberal Arts and Sciences
The University of Florida College of Liberal Arts and Sciences (CLAS) is the college for the liberal arts and sciences of the University of Florida, and the largest of the university's 16 academic colleges. Most core curriculum classe ...
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University of Iowa College of Liberal Arts and Sciences
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Center for Latin American Studies - University of Pittsburgh
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Community Legal Assistance Society, a legal aid office in Vancouver, British Columbia.
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Conjugated linoleic acids
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