| RISK | Random Incidents of Sacrificial Kindness 
| Others |
| RISK | Rapid Integrated Survival Kombat
| Others |
| RISK | Rate Innovate and Share Knowledge
| Others |
| RISK | Real Ignorant Suspect Knowledge
| Others |
| RISK | Realistic Integrated Style Kombat
| Others |
| RISK | Reassessment Is Safe Kare
| Others |
| RISK | Reciprocity Interdependency Sharing and Keeping
| Others |
| RISK | Reciprocity, Interdependency, Sharing, and Keeping
| Others |
| RISK | Recruitment In Schools Kit
| Others |
| RISK | Research Investigations Solutions and Knowledge
| Others |
| RISK | Researching Investigating Solutions Knowledge
| Others |
| RISK | Rotarians Investing in Special Kids
| Others |