| RICA | Rad Innovative Commercial Achievable 
| Others |
| RICA | Railway Industrial Clearance Association
| Others |
| RICA | Reading In the Content Area
| Others |
| RICA | Reading Instruction Competence Assessment
| Others |
| RICA | Regional Institute for Children and Adolescents
| Others |
| RICA | Regulation of Interception of Communications And
| Others |
| RICA | Regulation of Interception of Communications and Provision of Communication
| Others |
| RICA | Relativistically Induced Coulomb Autodetachment
| Others |
| RICA | Right Internal Carotid Artery
| Others |
| RICA | Robinson Improved Conventional Ammunition
| Others |
| RICA | Rockingham Internet Community Access
| Others |
| RICA | Rural Independent Competitive Alliance
| Others |