| Abbreviation | Definition |
|---|---|
| JIC | Joint In Center |
| JJG | Jordan, Jones, and Goulding architectural firm |
| JJLA | Jessalyn Jarest landscape architecture |
| JMA | Jorge Mastropietro Architects |
| JMLA | John Mongard Landscape Architects |
| JPDA | Java Platform Debugger Architecture |
| JPDA | Jordan Parnass Digital Architecture |
| JSA | Journal of System Architecture |
| JSCA | Joint Supply Chain Architecture |
| JTAD | John Toates Architecture and Design |
| JULIE | Joint Utility Locating Information for Excavators |
| JYA | John Young Architect |
| KA | Kitchen Appliance |
| KAAF | Kitriniaris Associates Architecture Firm |
| KAED | Kuliyyah of Architecture and Enviromental Design |
| KAED | Kuliyyah of Architecture and Environmental Design |
| KAED | Kuliyyah of Architecture and Environmental Development |
| KAED | Kulliyyah of Architecture and Environmental Design |
| KAS | Kernel Architecture Simplifier |
| KCA | Knowledge Critic of Architecture |