XF
| Acronym | Definition |
|---|---|
| XF | Experimental Fighter (US military aircraft designation) |
| XF | X-Files |
| XF | Extra Fine |
| XF | X Factor (Soldier of Fortune 2 Clan) |
| XF | Ex Factory (Charlotte, NC) |
| XF | Extended Family |
| XF | Xtreme Forces (Unreal Tournament gaming clan) |
| XF | Xilinx Foundation |
| XF | Excel Formula Virus |
| XF | Xtreme Fraggers (gaming clan) |
| XF | External Flag Status |
| XF | Xenforo (software) |