| NICA | National Ice Carving Association 
| Others |
| NICA | National Independent Concessionaires Association
| Others |
| NICA | National Institute of Circus Arts
| Others |
| NICA | National Institute of the Culinary Arts
| Others |
| NICA | National Insulation Contractors Association
| Others |
| NICA | National Intelligence Coordinating Agency
| Others |
| NICA | National Intelligence Coordination Agency
| Others |
| NICA | National Interscholastic Cycling Association
| Others |
| NICA | Netherlands Indies Civil Administration
| Others |
| NICA | Netherlands Institute for Cultural Analysis
| Others |
| NICA | Neurological Injury Compensation Association
| Others |
| NICA | Nicaragua Initiative for Community Advancement
| Others |
| NICA | Nicaragua Investment Conditionality Act
| Others |
| NICA | Non Interest Current Account
| Others |
| NICA | Northside Inter Community Agency
| Others |
| NICA | Northwest Independent Contractors Association
| Others |
| NICA | Northwest Intentional Communities Association
| Others |
| NICA | Northwest Intentional Community Association
| Others |