ICU

ICU may refer to:

• Intensive care unit, a special department of a hospital that treats severely ill patients
• International Components for Unicode, software libraries supporting internationalization
• Union Cycliste Internationale, the international cycling union
• Intersection Capacity Utilization, a measure of the capacity of a roadway intersection

Universities:

• Information and Communications University, a research university in Daejeon, South Korea
• International Christian University, a private university in Mitaka, Tokyo, Japan
• International Christian University – Kiev, a private university in Kiev, Ukraine
• Imperial College Union, the students union of Imperial College London

Politics:

• Industrial and Commercial Workers' Union, a South African political group from the 1920s
• International Clearing Union, a non-existent currency regulatory institution proposed in 1944
• Internationalist Communist Union, an international grouping of Trotskyist political parties
• Islamic Courts Union, an armed group of Sharia courts in Somalia

Music and films:

• Inner City Unit, a British hard edge/punk band
• I.C.U. (film), an unreleased Australian thriller starring Christian Radford