UIR

Uir or UIR may refer to:

• International Broadcasting Union (IBU); Template:Langx
• Úr, an Old Irish letter
• University of International Relations, a public university in Beijing, China
• United Islamic Republic, a fictional nation in Tom Clancy's book Executive Orders
• Upper information region, airspace
• Unity and Renewal, political party in Andorra
• Unidentified infrared emission
• Université Internationale de Rabat (International University of Rabat)
• Quirindi Airport, IATA airport code "UIR"