'''Itis''' may refer to: {{wiktionary|-itis|itis|itises}} ==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''
{{disambiguation}}