| Author(s) | Organization(s) | Session |
| Ochôa, Paula | Universidade Nova - FCSH, Lisboa, Portugal | IL challenges & new paths |
| Ogrizek Biškupić, Ivana | Algebra University College, Zagreb, Croatia | Artificial intelligence & IL Presenter |
| Onkovуch, Hanna | Kyiv Medical University, Ukraine; Kуіv Medical University, Ukraine | IL studies - different approaches Presenter Poster Session Presenter |
| Orazymbetova, Zhuldyz | Nazarbayev University Library, Astana, Kazakhstan | IL & LIS professionals |