| Rank | Abbreviation | Meaning |
|---|
| ***** | SLIS | School of Library and Information Science
| |
| ***** | SLIS | Shared Laboratory Information System
| |
| **** | SLIS | School of Library School
| |
| *** | SLIS | School of Library Information Studies
| |
| *** | SLIS | Science in Library Science
| |
| *** | SLIS | Save Library and Information Studies
| |
| *** | SLIS | State Laboratory Information System
| |
| ** | SLIS | Student Leaders in Service
| |
| ** | SLIS | Special Libraries and Information Services Group
| |
| ** | SLIS | Surveying and Land Information Systems
| |
| ** | SLIS | Specialist in Library and Information Science
| |
| ** | SLIS | Shared Library Information System
| |
| * | SLIS | Schools of Librarianship and Information Sciences
| |
| * | SLIS | single lumen i.v. set
| |
| * | SLIS | State Land Information System
| |
| * | SLIS | Sandwell Library and Information Service
| |
| * | SLIS | Swedish Land Information System
| |
| * | SLIS | Serveur Linux pour l'Internet Scolaire
| |
| * | SLIS | Special Library Information Services
| |
| * | SLIS | Sign Language Interpreting Services
| |
| * | SLIS | Sign Language Interpreting Specialists
| |
| * | SLIS | Sri Lanka Integrated Survey
| |
| * | SLIS | South Lake International School
| |
| * | SLIS | Second Life the School
| |
| * | SLIS | Standard Location Immediate Service
| |