Itis

Itis may refer to:

Healthcare

 * Inflammation
 * Postprandial somnolence (colloquially "the itis"), a state of drowsiness or lassitude following a meal

Information systems

 * Integrated Taxonomic Information System, a partnership designed to provide consistent and reliable information on the taxonomy of biological species
 * Integrated Transport Information System, a traffic management system in Klang Valley, Malaysia

Places

 * Itis (Swedish name of Iitti), a municipality in Päijänne Tavastia, Finland

Other uses

 * Itis shopping centre, a shopping centre in the district of Itäkeskus in East Helsinki, Finland
 * "The Itis" (The Boondocks), the tenth episode of the Adult Swim animated television series, The Boondocks