NTHS may refer to: National Technical Honor Society, an American honor society National Trunk Highway System, a system of expressways in China
Schools Kaohsiung Municipal Nanzih Comprehensive Senior High School, Kaohsiung, Taiwan National Trail High School, New Paris, Ohio, United States New Town High School (Maryland), Owings Mills, Maryland, United States New Town High School (Tasmania), New Town, Tasmania, Australia New Trier High School, Winnetka, Illinois, United States North Tonawanda High School, North Tonawanda, New York, United States North Tahoe High School, Tahoe City, California, United States North Thurston High School, Lacey, Washington, United States