VSU is an abbreviation that (among other things) can stand for:
Valdosta State University, a university in Valdosta, Georgia, United States Venstresocialisternes Ungdom, a former youth wing of the Danish political party Venstresocialisterne Vikrama Simhapuri University, a university in the Nellore district of Andhra Pradesh, India Violence Suppression Unit, a type of unit of the London-based Metropolitan Police Service's Frontline Policing Directorate Virginia State University, a historically Black university in Ettrick, Virginia, United States Visayas State University, a university in Baybay, Leyte, Philippines Voluntary student unionism, a membership policy used by university student organisations Voronezh State University, a university in Voronezh, Voronezh Oblast, Russia