| Gen name | Trade name |
| iodixanol | Visipaque |
| iohexol | Omnipaque 12 |
| iohexol | Omnipaque 140 |
| iohexol | Omnipaque 180 |
| iohexol | Omnipaque 240 |
| iohexol | Omnipaque 300 |
| iohexol | Omnipaque 350 |
| iohexol | Omnipaque 9 |
| iohexol | Omnipaque Flexipak |
| iohexol | Oraltag |
| iopamidol | Isovue-200 |
| iopamidol | Isovue-250 |
| iopamidol | Isovue-300 |
| iopamidol | Isovue-370 |
| iopamidol | Isovue-M-200 |
| iopamidol | Isovue-M-300 |
| iopromide | Ultravist |
| ioversol | Optiray 160 |
| ioversol | Optiray 240 |
| ioversol | Optiray 300 |
| ioversol | Optiray 320 |
| ioversol | Optiray 350 |
| ioxilan | Oxilan |