| Acronym | Definition |
|---|
| COIS➣Council of International Schools (Hampshire, UK) |
| COIS➣Coaching Operation Information System (India) |
| COIS➣Combat Operations Intelligence System |
| COIS➣Computer Operations and Information Services (University of California, Berkeley) |
| COIS➣Corporate Operations Information Services |
| COIS➣Cross of Iron Sturmtruppe (gaming clan) |
| COIS➣Country of Origin Service (UK) |