HVS may refer to: Hard Very Severe, a British climbing grade Hartsville Regional Airport's IATA code Haversine, a trigonometric function Heaviside step function Helenium virus S High vaginal swab High Voltage Software Hilversum railway station, Netherlands, station code or Croatian Water Polo Federation or Croatian Rowing Federation Human visual system model HVS (aircraft), a 1980s German human-powered aircraft HVS Global Hospitality Services Hypervelocity star Hyperventilation syndrome