| SIIA | Software & Information Industry Association (formerly the Software Publishers Association) | 软件和信息产业协会(原软件出版商协会) |
| SIIA | Software & Information Industry Association | 软件和信息产业协会会员单位 |
| SIIA | Software And Information Industry Association | 软件和信息产业协会 |
| SIIA | Software Information Industry Association | 软件信息产业协会 |
| SIIA | SocietÀ Italiana di Ipertensione Arteriosa | SocietÀ Italiana di Ipertensione Arteriosa |
| SIIA | Singapore Institute of International Affairs | 新加坡国际事务研究所 |