| VI | Visual Identity |
|---|---|
| VI | Roman numeral six; vaginal irrigation; variable interval; vastus intermedius; virgo intacta; virulence, virulent; viscosity index; visual impairment; visual inspection; vitality index; volume index |
| Vi | virulence, virulent |
| VI-CTS | vibration-induced carpal tunnel syndrome |
| VIA | virus inactivating agent; virus infection-associated antigen |
| vib | vibration |
| vib & perc | vibration and percussion |
| VIC | Volkmann's Ischemic Contracture |
| VIC | vasoinhibitory center; visual communication therapy; voice intensity control |
| VID | visible iris diameter |