Nasva may refer to:Nasva, Hiiu County, a village in Hiiu County, Estonia Nasva, Saare County, a small borough in Saare County, Estonia Nasva, Russia, a rural locality in Novosokolnichesky District of Pskov Oblast, Russia Nasva (stream), a stream in Saare County, Estonia NASVA: National agency for Automotive Safety & Victims´Aid a Japanese program for car safety