Tin Omen may refer to:

• Tin Omen (band), a UK-based band
• Tin Omen (song), 1989 single by the Skinny Puppy from the album Rabies

• Carlos Araujo
• Carlos Arce
• Carlos Arcecio Bianchi
• Carlos Ardila Lulle
• Carlos Ardila Lülle
• Carlos Arellano Felix
• Carlos Arellano Félix
• Carlos Arias
• Carlos Arias (disambiguation)
• Carlos Arias-Navarro
• Carlos Arias-Navarro, 1st Marquess of Arias-Navarro
• Carlos Arias Navarro, 1st Marquess of Arias Navarro
• Carlos Arias-Navarro, 1st Marquess of Arias-Navarro Grandee of Spain
• Carlos Arias Navarro, 1st Marquis of Arias Navarro
• Carlos Arias Ortiz
• Carlos Armando Biebrich Torres
• Carlos Armas
• Carlos Armour
• Carlos Arraíz
• Carlos Arroyo (architect)
• Carlos Arroyo (basketball player)
• Carlos Arroyo del Rio
• Carlos Arroyo (disambiguation)
• Carlos Arthur Sevilla
• Carlos Arturo Caceres