| Abbreviation | Definition |
|---|---|
| ACN | Architecture for Control Networksand |
| ACN | Architecture for Control Networks—and |
| ACP | Aluminum Composite Panel |
| ACP | Arched Concrete Pipe |
| ACSA | American Collegiate School of Architecture |
| ACSA | Association of Collegiate Schools of Architecture |
| ACSES | Architecture Computer Systems and Embedded Systems |
| ACSF | Architecture Culture and Spirituality Forum |
| ACSI | Architectural Control Systems Inc |
| ACT | Acoustical Ceiling Tile |
| AD | Architectural Digest |
| AD | Artist Designer |
| AD | the Art Deco |
| ADA | Architects and Designers Association |
| ADAM | Adaptive Dynamic Architecture for MP2SoCs |
| ADAM | Art Design, Architecture, and Media |
| ADAPT | Architectural Design Association of Portugal and Turkey |
| ADAS | Architecture Design and Assessment System |
| ADC | Architecture Development and Construction |
| ADD | Architecture Design and Development |