| ISIP | Idaho Society of Individual Psychology 
| Others |
| ISIP | Illinois Strategic International Partnerships
| Others |
| ISIP | Improved Side Impact Protection
| Others |
| ISIP | In Speech I Practiced
| Others |
| ISIP | Inclusion Stability Integrity and Protection
| Others |
| ISIP | Industrial Scholar Interns Program
| Others |
| ISIP | Information Specialist Internship Program
| Others |
| ISIP | Initial Shut-In Pressure
| Others |
| ISIP | Initial Strategy Implementation Plan
| Others |
| ISIP | Instantaneous Shut In Pressure
| Others |
| ISIP | Institute for Signal and Information Processing
| Others |
| ISIP | Integrated Service Improvement Programme
| Others |
| ISIP | Integrating Science in the Philippines
| Others |
| ISIP | Intelligent Systems and Image Processing
| Others |
| ISIP | Interfaith Summer Internship Program
| Others |
| ISIP | International Student Internship Program
| Others |
| ISIP | International Student Interview Program
| Others |
| ISIP | It Starts In Parks
| Others |
| ISIP | Italian Society of Investment Professionals
| Others |