| IFSP | Individual and Family Support Program 
| Others |
| IFSP | Individual Family Service Plan
| Others |
| IFSP | Individual Family Service Plans
| Others |
| IFSP | Individual Family Support Plan
| Others |
| IFSP | Individual Family Support Program
| Others |
| IFSP | Individual Full Sequential Program
| Others |
| IFSP | Individualized Family Service Plan
| Others |
| IFSP | Individualized Family Service Plans
| Others |
| IFSP | Individualized Family Services Plan
| Others |
| IFSP | Individualized Family Support Plan
| Others |
| IFSP | Indivudual Family Service Plan
| Others |
| IFSP | Initial Future Service Plan
| Others |
| IFSP | Integrated Food Security Program
| Others |
| IFSP | Integrated Food Security Programme
| Others |
| IFSP | Integrated Food Security Project
| Others |
| IFSP | Intensive Full Service Partnership
| Others |
| IFSP | Interagency Family Support Plans
| Others |
| IFSP | International Federation of Sports Physiotherapy
| Others |
| IFSP | International Field Study
| Others |
| IFSP | International Field Study Program
| Others |
| IFSP | Intuit Full Service Payroll
| Others |
| IFSP | Islamic Foundation for Social Peace
| Others |