VSA may refer to:

Places

* Carlos Rovirosa Pérez International Airport (IATA: VSA), Mexico

Organizations

Vietnamese Student Association The Union of North American Vietnamese Student Associations (UNAVSA) ( vi, Liên Hội Sinh Viên Việt Nam Bắc Mỹ Châu) is a 501(c)(3) non-profit, community-based organization founded in 2004 as a means for Vietnamese organizations from acros ...

, a union for Vietnamese-Americans to interact with one another *

VSA (Kennedy Center) VSA, is an international organization on arts, education and disability, which was founded in 1974 by former U.S. Ambassador to Ireland Jean Kennedy Smith, and is headquartered in Washington, DC. In 2011, VSA became the Department of VSA and Ac ...

, formerly known as Very Special Arts, a U.S.-based international organization focusing on arts education for disabled people * The Violin Society of America, an American organization concerning string instruments * Veterans for a Secure America, an American political coalition * Veterans for a Strong America, an American political action committee * Victorian Speleological Association, an Australian caving organization *

Voluntary Service Aberdeen Voluntary Service Aberdeen (VSA) Since the charity was first established in 1870, Aberdeen Association of Social Services (more commonly known as VSA) has helped thousands of the most vulnerable people and their families living in communities ac ...

, a Scottish social care charity *

Volunteer Service Abroad Volunteer Service Abroad - Te Tūao Tāwāhi (VSA) a New Zealand-based volunteering agency working in international development. Operations VSA volunteers share skills with people in the wider Pacific. VSA's work is diverse and driven by the ...

, a New Zealand volunteering agency

Science and technology

Vacuum swing adsorption Pressure swing adsorption (PSA) is a technique used to separate some gas species from a mixture of gases (typically air) under pressure according to the species' molecular characteristics and affinity for an adsorbent material. It operates at nea ...

, a gas separation technology *

Van der Waals surface The Van der Waals surface of a molecule is an abstract representation or model of that molecule, illustrating where, in very rough terms, a surface might reside for the molecule based on the hard cutoffs of Van der Waals radii for individual at ...

* Vector signal analyser *Vehicle Service Agreement, an

extended warranty An extended warranty, sometimes called a service agreement, a service contract, or a maintenance agreement, is a prolonged warranty offered to consumers in addition to the standard warranty on new items. The extended warranty may be offered by the ...

for a motor vehicle * Vehicle Stability Assist, technology that improves a vehicle's stability * Vendor-specific attributes, in the RADIUS networking protocol *

Very Small Array The Very Small Array (VSA) was a 14-element interferometric radio telescope operating between 26 and 36 GHz that is used to study the cosmic microwave background radiation. It was a collaboration between the University of Cambridge, Univers ...

, a radio telescope * Viable systems approach, a systems theory *

vSphere VMware vSphere (formerly VMware Infrastructure 4) is VMware's cloud computing virtualization platform. It includes an updated vCenter Configuration Manager, as well as vCenter Application Discovery Manager, and the ability of vMotion to move m ...

Storage Appliance *

Voice stress analysis Voice stress analysis (VSA) and computer voice stress analysis (CVSA) are collectively a pseudoscientific technology that aims to infer deception from stress measured in the voice. The CVSA records the human voice using a microphone, and the techno ...

, a means of measuring stress responses in the human voice {{disambig