| Acronym | Definition |
|---|
| AUC | Area Under the Curve (pharmacology) |
| AUC | American University in Cairo |
| AUC | Autodefensas Unidas de Colombia (United Self-Defense Forces of Colombia) |
| AUC | African Union Commission |
| AUC | Alberta Utilities Commission (regulatory body) |
| AUC | Authentication Center |
| AUC | American University of the Caribbean |
| AUC | Atlantic Union College |
| AUC | Ab Urbe Condita (Latin: From the Foundation of the City) |
| AUC | Apple University Consortium (Australia) |
| AUC | Air Transport Users Council (UK) |
| AUC | Arauca, Colombia (Airport Code) |
| AUC | Authentication Centre (Global System for Mobile Communications, GSM) |
| AUC | Algoma University College |
| AUC | Area Under the Concentration-Versus-Time Curve |
| AUC | Analytical Ultracentrifuge |
| AUC | Aix Université Club (French: Aix University Club; Aix-en-Provence, France) |
| AUC | Assets Under Custody (banking) |
| AUC | ATMOS User Center |
| AUC | Ammonium Uranyl Carbonate (uranium processing industry) |
| AUC | Association of Unity Churches |
| AUC | Asset Under Construction |
| AUC | Average Unit Cost |
| AUC | Azhar University in Cairo |
| AUC | Associated Underground Contractors (now Michigan Infrastructure & Transportation Association; Okemos, MI) |
| AUC | Acyclovir Area Under the Concentration-Time Curve |
| AUC | An Unearthly Child (Doctor Who serial) |
| AUC | Aircraft Utilization Code |
| AUC | Area Under Plasma Concentration Curves |
| AUC | Aalborg University Center, Denmark |
| AUC | Assemblée de l'Union des Comores (French: Assembly of the Union of Comoros; Comoros) |
| AUC | Actual Use Code (land assessments) |
| AUC | Alhamrani Universal Company (Saudi Arabia) |
| AUC | Anno Urbis Conditae or Ab Urbe Condita (in the Year from the Building of the City - Rome, 753 BC) |
| AUC | Arab Union of Chemists |
| AUC | Aitken University Centre (University of New Brunswick; Canada) |
| AUC | American United Center (cosmetics company; various locations) |
| AUC | Acrobat User Community (Adobe Acrobat) |
| AUC | Analytical Ultracentrifugation |