NHHS

NHHS may refer to:

• Nan Hua High School - Singapore
• New Hanover High School - Wilmington, North Carolina
• New Hope High School - New Hope, Alabama
• New Hope High School - Columbus, Mississippi
• New Horizons High School - Delta Junction, Alaska
• Newport Harbor High School - Newport Beach, California
• North Hall High School - Hall County, Georgia
• North Hardin High School - Radcliff, Kentucky
• North Harford High School - Pylesville, Maryland
• New Haven High School (disambiguation) - multiple schools
• North Hollywood High School - North Hollywood, California
• North Hunterdon High School - Annandale, New Jersey
• North Hagerstown High School - Hagerstown, Maryland
• The proposed New Haven-Hartford-Springfield Commuter Rail Line, scheduled to be constructed along the Amtrak New Haven-Springfield Line.
• Student Union of the Norwegian School of Economics and Business Administration