Arthus

Arthus may refer to:


 * Arthus reaction, a type of local type III hypersensitivity reaction
 * Arthus-Bertrand, a French maker of medals and decorations
 * Tangara arthus or Golden tanager, a species of bird in the family Thraupidae
 * Le roi Arthus (King Arthur), a 1903 opera by the French composer Ernest Chausson
 * A variation of the name Artus