Languages written with Cuneiform, Sumero-Akkadian script
| Language | Writing System Code | Writing System Status | SLDR/CLDR locale | Regional variants |
|---|---|---|---|---|
| Akkadian | akk-Xsux | obsolete | akk-Xsux-IQ (Iraq) | |
| Hittite | hit-Xsux | in use | hit-Xsux-TR (Turkey) | |
| Middle Hittite | htx-Xsux | in use | htx-Xsux-TR (Turkey) | |
| Neo-Hittite | nei-Xsux | in use | nei-Xsux-TR (Turkey) | |
| Old Hittite | oht-Xsux | in use | oht-Xsux-TR (Turkey) | |
| Sumerian | sux-Xsux | in use | sux-Xsux-XX |