| IPPP | Indigenous Peoples Partnership Program 
| Others |
| IPPP | Individuals Providing A Positive Presence
| Others |
| IPPP | Infantile perianal pyramidal protrusion
| Others |
| IPPP | Innovative Poultry Productivity Project
| Others |
| IPPP | Institute for Particle Physics Phenomenology
| Others |
| IPPP | Institute for Philosophy and Public Policy
| Others |
| IPPP | Institutionalised Public Private Partnerships
| Others |
| IPPP | Instytut Partnerstwa Publiczno Prywatnego
| Others |
| IPPP | Intensive Psychoanalytic Psychotherapy Program
| Others |
| IPPP | International Peace Pagoda Project
| Others |
| IPPP | International Perspectives in Philosophy and Psychiatry
| Others |
| IPPP | Internet presence provider and promoter
| Others |