Vat and VAT may refer to:

• Value added tax
• A type of container such as a barrel, storage tank, or tub, often constructed of welded sheet stainless (corrosion resistant) steel, and used for holding, storing, and processing liquids such as milk, wine, and beer
• Virtual Allocation Table, a component of the Universal Disk Format
• a form of Vietnamese wrestling
• Monastery in Laos or Thailand
• Vát, a village in Hungary

See also

• Vats (disambiguation)