UIS

UIS may refer to:

• Uis, a village in Erongo Region, Namibia
• Underwater Inspection System, a component of the Underwater Port Security System developed for the United States Coast Guard
• Universal Interactive Studios (now Vivendi Games)
• University of Illinois Springfield, a public four-year university in the United States
• Universidad Industrial de Santander, Colombia
• University of Stavanger, a public research university in Norway
• Union Internationale de Spéléologie, an international umbrella organization for caving and speleology
• Unisys Corporation NYSE stock symbol
• UIs, plural abbreviation of user interface
• Uisai language, ISO 639-3 code
• Umpire Information System, made by QuesTec and used for providing feedback and evaluation of Major League umpires
• UNESCO Institute for Statistics