| PSSS | Psychosocial Short Stature Syndrome | 心理社会性矮身材综合征 |
| PSSS | Perchasing Specification Summary Sheet | 采购说明总汇表 |
| PSSS | Parallel Sequence Spread Spectrum (coding technique for RF signals) | 并行序列扩频（RF信号编码技术） |
| PSSS | parallel sequence spread spectrum (physical layer for RF communication) | 并行序列扩频（RF通信的物理层） |
| PSSS | Process Specific Support Systems | 过程特定支持系统 |
| PSSS | P S S, Inc. | P S S公司。 |