ASSN
| Acronym | Definition |
|---|---|
| ASSN | Association |
| ASSN | Académie Suisse des Sciences Naturelles (French: Swiss Academy of Sciences) |
| ASSN | Accademia Svizzera di Scienze Naturali (Italian: Swiss Academy of Sciences) |
| ASSN | Academia Svizra da Scienzas Natüralas (Slovakian: Swiss Academy of Sciences) |
| ASSN | ASEAN Standards Service Network |
| ASSN | Accountable Station Symbol Number |