• ancient helmet
• athletic helmet
• baseball helmet
• bicycle helmet
• football helmet
• hockey helmet
• motorcycle helmet
• pilot helmet
• racing helmet
• riding helmet
• bubble helmet
• combat helmet
• knight helmet
• military helmet
• hard hat
• firefighter helmet
• horned helmet
• viking helmet
• hypnotic helmet
• mining helmet
• space helmet
• spiked helmet
• winged helmet

Appearance

• black helmet
• blue helmet
• brown helmet
• glistening helmet
• green helmet
• grey helmet
• multicolored helmet
• camo helmet
• rainbow helmet
• two tone helmet
• orange helmet
• pink helmet
• purple helmet
• red helmet
• tan helmet
• text on helmet
• number on helmet
• white helmet
• yellow helmet

Material

• diamond helmet
• ice helmet
• leather helmet
• metal helmet
• gold helmet
• iron helmet
• shell helmet
• skull helmet

From history

• Adrian helmet – 1915; French Third Republic
• bascinet – 1281; Padua, Veneto, Republic of Venice
• Brodie helmet – 1915; London, England
• Corinthian helmet – mid-1st century BCE; Corinth
• diving helmet – 1820s; England
• galea – late 1st BCE; Roman Republic
• great helm – 1180s; Europe
• hard hat – 1919; California, United States
• kettle helmet – 12th century; Europe
• kabuto – 10th century; Heian period Japan
• M34 helmet – 1934; Netherlands
• morion – 16th century; Spain
• Pickelhaube – 1842; Kingdom of Prussia
• pith helmet – 19th century; Spanish East Indies
• sallet – 1450s; Lombardy, Kingdom of Italy (HRE)
• Stahlhelm – 1916; Second German Empire
• Thracian helmet – 4th century BC; Thrace

From fiction

• clone trooper helmet – Star Wars Episode II: Attack of the Clones (2002)
• Fused Shadow – Legend of Zelda: Twilight Princess (2006)
• Mandalorian helmet – Star Wars Holiday Special (1978)
• rocky helmet – Pokémon Black & White (2010)
• viking helmet – Der Ring des Nibelungen (1869–1876)