TAB may refer to:

• Abbreviated word for tab character in computing
• IATA code for Arthur Napoleon Raymond Robinson International Airport, the airport of Tobago
• TAB (Armoured Personnel Carrier), a Romanian amphibious armored personnel carrier
• Tactical Advance to Battle, a British Army term for a Loaded march.
• Tape-automated bonding, in electronics
• Threatened abortion, clinical term for a threatened miscarriage.
• Totalisator Agency Board in Australia and New Zealand; also the name given to state-run gambling organizations
• Transportes Aéreos Bolivianos - a Bolivian cargo airline
• Typhoid-paratyphoid A and B

Tab or tabs may refer to:

• Servo tab, a mechanism for moving an airplane's control surface with a small input force
• Tab, a British Army term for a loaded march
• Tab (album), by US rock band Monster Magnet
• Tab (archery), a small protective covering for the fingers
• Tab (beverage can), the mechanism for opening a beverage can
• Tab, the invoice, bill, or account for a dinner or round of drinks
• Tâb, a board game played in Egypt and elsewhere
• Tab (debating), the table of the results of a debating competition
• Tab, a Geordie word for a cigarette
• Tab (nickname), an affectionately derogative term for Cantabrigians used mainly by Oxonians
• Tab (soft drink), a diet cola soft drink produced by the Coca-Cola company
•  Tab (US Army), a part of the United State Army uniform designating a skill or marksmanship
• Tablature, a form of musical notation used particularly for guitars and other fretted instruments
• Tabs (stage), in theatre, the term for the curtain at the front of the stage
• Trim tab, a mechanism for adjusting the hands-free position of an airplane's control surface

Tâb is the Egyptian name of a running-fight board game played in several Arab countries, or a family of similar board games played in Northern Africa and South-western Asia, from Persia to West Africa and from Turkey to Somalia, where a variant called deleb is played.

Tab, stylized as TaB, is a diet cola soft drink produced by the Coca-Cola Company, first introduced in 1963. The soda was created by Coca-Cola after the successful sales and marketing of Diet Rite cola, owned by The Royal Crown Company; previously, Diet Rite had been the only sugarless soda on the market. Tab was "marketed to consumers who want to keep 'tabs' on their weight."

Das Wort Tab steht für:

• eine Aufteilung von Elementen in grafischen Benutzeroberflächen, siehe Registerkarte
• den Fingerschutz beim Bogenschießen
• Tab (Ungarn), eine Stadt in Ungarn
• ein Zierfeld (meist der untere Bogenrand) an israelischen Briefmarkenausgaben

Le mot tab peut désigner :

• Tab, le bord des feuilles de timbres israéliens,
• touche tabulation sur un clavier informatique,
• apocope de Tablature,
• onglet dans une fenêtre informatique

Tab är en mindre stad i Ungern. Staden är känd för sin kemiska industri där stora mängder vapen tillverkas.