Danning can mean:

• Christian Danning (1867-1925), Danish composer and conductor
• Harry Danning (1911–2004), American Major League Baseball player
• Ike Danning (1905–1983), American Major League Baseball catcher
• Kofi Danning (born 1991), Ghanaian-born Australian footballer
• Sybil Danning (born 1952), Austrian actress, model and film producer

• Heavy duty battery
• Heavy Duty (disambiguation)
• Heavy Duty (Transformers)
• Heavy duty truck
• Heavy-duty truck
• Heavy Duty (Xtatik)
• Heavy Duty (Xtatik album)
• Heavy equipment transporter
• Heavy Fermion
• Heavy Fire: Special Operations
• Heavy flood
• Heavy flooding
• Heavy footed moa
• Heavy Footed Moa
• Heavy-Footed moa
• Heavy-footed moa
• Heavy for gestational age
• Heavy Freezing Spray Advisory
• Heavy glam rock
• Heavy Glider Conversion Unit
• Heavygrinder
• Heavy (Gucci Mane song)
• Heavy Gustaf
• Heavy Harm
• Heavy Heart