| SASI | Substance Abuse Screening Instrument | 药物滥用筛查仪 |
| SASI | Supervisory Aviation Safety Inspector (FAA) | 监督航空安全检查员(FAA) |
| SASI | School Administration Student Information System | 学校管理学生信息系统 |
| SASI | Senior Aerospace Science Instructor (AFJROTC) | 高级航空航天科学讲师(AFJROTC) |
| SASI | Separation Anxiety Symptom Inventory | 分离焦虑症状量表 |
| SASI | Shugart Associates Systems Interface (forerunner of SCSI, Small Computer System Interface) | Shugart Associates系统接口(SCSI、小型计算机系统接口的前身) |
| SASI | Senior Aerospace Science Instructor | 高级航空航天科学讲师 |
| SASI | Southeast Asian Serials Index | 东南亚系列指数 |
| SASI | Schools Administrative Student Information | 学校管理学生信息 |
| SASI | Sonoran Arthropod Studies Institute (Tucson, Arizona) | 索诺兰节肢动物研究所(亚利桑那州图森) |
| SASI | Student Assistance Services, Inc. | 学生援助服务公司。 |
| SASI | Swanson Analysis Systems, Inc (now ANSYS, Inc.) | Swanson Analysis Systems,Inc(现为ANSYS,Inc.) |
| SASI | Self Aggregating Switched Internet | 自聚合交换互联网 |
| SASI | System and Software Integrity | 系统和软件完整性 |
| SASI | Sugart Associates System Interface | Sugart Associates系统接口 |
| SASI | Safe And Sound Investment | 安全可靠的投资 |
| SASI | Student Athlete Summer Institute | 学生运动员夏季研究所 |