| Subject | English | Croatian |
| transp. | on-board diagnostic system | sustav automatske dijagnostike u vozilu OBD |
| el. | on-board diagnostic system | sustav automatske dijagnostike u vozilu |
| comp., MS | on-premises messaging system | lokalni sustav za razmjenu poruka (The messaging system that an administrator runs on their own servers in their own company as compared to a messaging system that is run in the cloud (hosted)) |
| polit. | Protocol on the Statute of the European System of Central Banks and of the European Central Bank | Protokol o Statutu Europskog sustava središnjih banaka i Europske banke |
| gen. | Working Party on the Generalised System of Preferences | Radna skupina za opći sustav povlastica |