Happy Hogan may refer to:

• Happy Hogan (comics), character in the Iron Man comics series
• Happy Hogan (baseball) (1877–1915), American baseball player

• Notranjsko-kraška Statistical Region
• Not Ready to Die
• Notre Charge Apostolique
• Not Reconciled
• Not Reconciled or Only Violence Helps Where Violence Reigns
• Notre Dame Academy, Green Bay, Wisconsin
• Notre Dame Academy, Hingham, Massachusetts
• Notre Dame Academy, Los Angeles, California
• Notre Dame Academy, Middleburg, Virginia
• Notre Dame Academy, New York
• Notre Dame Academy (New York)
• Notre Dame Academy, Park Hills, Kentucky
• Notre Dame Academy (Patna)
• Notre Dame Academy, Staten Island
• Notre Dame Academy, Toledo, Ohio
• Notre Dame Academy, Worcester, Massachusetts
• Notre Dame Argos
• Notre Dame - Army rivalry
• Notre-Dame-Auxiliatrice-de-Buckland
• Notre-Dame Basilica-Cathedral
• Notre-Dame Basilica-Cathedral (Quebec City)
• Notre dame basketball
• Notre Dame Bishop Gibbons
• Notre-Dame Cathedral Basilica, Ottawa
• Notre Dame Cathedral (Phnom Penh)