| Abbreviation | Designation | |
|---|---|---|
| EIC | Express InterCity (Polish) | train category |
| IC | Intercidades (Portuguese) InterCity (Portugal) | train category |
| IC | Intercités, Corail Intercités (France) InterCity (France) | train category |
| IC | Intercity (German) InterCity (Germany) | train category |
| IC | InterCitytog (Danish) InterCity (Denmark) | train category |
| OIC / O-IC / ÖBB-IC | ÖBB-InterCity (German) | train category |