VNS

VNS is an initialism for:

Telecommunications

• Victim Notification System, an automated system that notifies a victim that the perpetrator of a crime that affected them has been released
• Virtual Network Switching, a technique in telecommunications used to reduce or eliminate the number of data segments used in a command
• Virtual Network System, a network that connects all virtual machines and devices regardless of location
• Visual Navigation System
• Voice Network Switching

Science

• Vagus nerve stimulation, a medical treatment used for certain types of epilepsy
• Vicarious nucleophilic substitution, a special type of nucleophilic aromatic substitution
• Visiting Nurse Service, an in-home medical care service

Other

• Valley New School, a charter school in Appleton, Wisconsin, USA
• Varanasi, a city in northern India
• The IATA code of Lal Bahadur Shastri Airport, Varanasi, India
• Variable Neighborhood Search
• Viet Nam News, English-language newspaper in Vietnam
• Viqarunnisa Noon School, an all-girls higher secondary school in Dhaka, Bangladesh
• Visual Nature Studio, a Microsoft Windows program used to create photorealistic images
• Government of National Salvation (Vlada narodnog spasa), the colloquial name for the collaborationist puppet government in Serbia between 1941-1944
• Vlach National Party (Vlaška narodna stranka), a political party in Serbia
• VNS Matrix, Australian artist collective
• Voter News Service, a defunct American exit poll consortium