What does VIO stand for?

Avionic Ltd. - Greece - FAA designator (FAAC)

Vehicles in Operation

Verbal Intelligence Quotient (DAVI)

Very Important Object (DCTA)

Veterinary Investigation Officer - Ministry of Agriculture, Fisheries, and Food - British

Victor - NCIC firearms make code (NCIC)

Video Input/Output

Violation - Motor vehicle violation code used in state of Maryland (MVRD)

Violet (AAG)

Violino - Violin - Music (ROG)

Vior Miniere d'Exploration Societe, Inc. - Toronto Stock Exchange symbol

Virtual Input/Output - Computer science (IBMDP)

Visual Intercept Officer - Navy

Voltage Input/Output (SAUS)

Viomycin (SAUS)