List of ancient geographic names in Croatia
This is a list of geographic names from ancient times in the current Republic of Croatia with modern names. Some of the current names refer to places that are only nearby. These include Illyrian, Ancient Greek, and Roman names.
Regions
| Historical name | Modern name |
| Borona | Banovina |
| Delmatia | Dalmacija |
| Histria | Istra |
| Interamnia | Slavonija |
| Iapudia | Lika, Gorski kotar |
| Liburnia | Kvarner, Northern Dalmatia |
| Quercia | Žumberak |
| Valeria | Baranja |
Populated islands
| Historical name | Modern name |
| Aloepus | Olib |
| Apsirtis | Lošinj |
| Arba | Rab |
| Bucium | Biševo |
| Celadussae | Kornati |
| Cerosa | Šipan |
| Choasa | Sušac |
| Colentum | Murter |
| Corcyra Nigra | Korčula |
| Crexa | Cres |
| Curycta | Krk |
| Diskelados | Brač |
| Eucomium | Susak |
| Gissa | Pag |
| Issa | Vis |
| Ladesta | Lastovo |
| Lissa | Ugljan and Pašman |
| Lumbricata | Vrgada |
| Melitussa | Mljet |
| Olynta | Šolta |
| Pamodus | Premuda |
| Pharos | Hvar |
| Pirosima | Premuda |
| Proteras | Prvić |
| Pullariae | Brijuni |
| Sissa | Sestrunj |