 | accesibilidad | Term without description | Term without children | Elemento |
| acceso al agua | Term without description | Term without children | Elemento |
| acción social colectiva | Term without description | Term without children | Elemento |
| Aceras | Term without description | Term without children | Elemento |
| acreditación de organismos evaluadores de conformidad | Term without description | Term without children | Elemento |
| Actividad agropecuaria | Term without description | Term without children | Elemento |
| actividad pesquera | Term without description | Term without children | Elemento |
| actividad turística | Term without description | Term without children | Elemento |
| actividades humanas | Term without description | Term without children | Elemento |
| actividades productivas sostenibles | Term without description | Term without children | Elemento |
| actividades turísticas en San José centro | Term without description | Term without children | Elemento |
| Acuerdo de Escazú | Term without description | Term without children | Elementos |