| IFPS | International Federation of Palynological Societies | 国际孢粉大会 |
| IFPS | Initial Flight Plan Processing System | 初始飞行计划处理系统 |
| IFPS | International Federation of Philosophical Societies | 国际哲学学会联合会 |
| IFPS | International Fluid Power Society | 国际流体动力学会 |
| IFPS | International Federation of Psychoanalytic Societies | 国际精神分析学会联合会 |
| IFPS | Intensive Family Preservation Services | 强化家庭保护服务 |
| IFPS | Interactive Forecast Preparation System | 交互式预测准备系统 |
| IFPS | Interactive Financial Planning System | 交互式财务规划系统 |