| Abbreviation | Definition |
|---|---|
| KCAP | Kees Christiaanse Architects and Planners |
| KCCA | Knowledge Content Carrier Architecture |
| KDA | K Dixon Architecture |
| KDA | Kevin Daly Architects |
| KDRB | Knock-Down and Re-Build |
| KEAM | Kerala Engineering Architecture and Medical |
| KEAM | Kerala Engineering Architecture Medical |
| KFLA | Korn Ferry Leadership Architect |
| KG | Known Geometry |
| KKA | Kevin Kennon Architects |
| KKA | Kjellgren Kaminsky Architecture |
| KL | Key Lock |
| KLDF | Kilo-Liters Design Flow |
| KPA | Kenneth Park Architects |
| KRA | Kirsten Reite Architecture |
| KSNAJ | Kansai Society of Naval Architects, Japan |
| KTA | Koichi Takada Architects |
| L | Landscape |
| L/L | Low Level |
| LAAB | Landscape Architectural Accreditation Board |