USV may refer to: Businesses and organizations Union Square Ventures, an American venture capital company University of Silicon Valley USV Private Limited, an Indian pharmaceutical company Government and military United States of Venezuela United States Volunteers, non-regular US Army troops 76 mm divisional gun M1939 (USV), a WWII Soviet field gun Other uses Ultrasonic vocalization by animals such as bats and rodents Unmanned surface vehicle, an unmanned vessel/boat, a nautical drone See also