CVO may refer to:
Science and technology Cascades Volcano Observatory, Vancouver, Washington, US Chief veterinary officer, the head of a veterinary authority Circumventricular organs, positioned around the ventricular system of the brain Common velocity obstacle, a type of velocity obstacle Covid-Organics, an Artemisia-based drink purported to prevent and cure coronavirus disease 2019
Other uses Chief visionary officer, an executive function in a company Commander of the Royal Victorian Order, membership of a British order of chivalry Corvallis Municipal Airport (IATA airport code), Oregon, US CVO: Covert Vampiric Operations, a comic book franchise published by IDW Publishing Harley-Davidson CVO, a category of limited-edition Harley-Davidson motorcycles produced by its Custom Vehicle Operations group Customer Verified Operation, used in Service Desk operations to note the customer validated the fix put in place by the technician.