TIB (or Tib or TiB) may refer to:

• Tebibit (Tib), a unit of information used to quantify computer memory or storage capacity
• Tebibyte (TiB), a unit of information used to quantify computer memory or storage capacity
• TIB (file format), a file format used by Acronis True Image software
• Win32 Thread Information Block, in Microsoft Windows programming

• nl:Toetsingscommissie Inzet Bevoegdheden, the Dutch review board for the use of special powers by the security and intelligence services
• Danish Timber Industry and Construction Workers' Union (native name Forbundet Træ-Industri-Byg i Danmark)
• Technische Informationsbibliothek, the German National Library of Science and Technology
• Transparency International Bangladesh, an anti-corruption non-governmental organization
• TIB Financial Corporation, a bank holding company purchased by North American Financial Holdings

• Tib from "Tib et Tatoum" (aka "Tib and Tumtum") comics/cartoon
• Tib-cat from The Little Broomstick

• River Tib, an underground river flowing through Greater Manchester
• Tib, Iran, a village in Markazi Province, Iran
• The Illustrated Bartsch, a compendium of European master prints
• Therapy Interfering Behavior, in cognitive therapy
• Transscandinavian Igneous Belt

This disambiguation page lists articles associated with the title TIB.
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