Träkolsugnar kan syfta på:

• Walker Charcoal Kiln — Arizona
• Panamint Charcoal Kilns — Death Valley National Park, Kalifornien
• Cottonwood Charcoal Kilns — Owens Lake, Kalifornien
• Birch Creek Charcoal Kilns, Leadore, Idaho – listad i National Register of Historic Places som "Charcoal Kilns"
• Charcoal Kilns (Eureka, Utah) – listad i National Register of Historic Places
• Piemonte kolugnar — Wyoming