Melchior is both a given name and a surname.
Melchior may also refer to:
The Melchior system of taxonomy A melchior, a wine bottle holding 18 litres Melchior (alloy), an alloy of copper and nickel used to manufacture cutlery Melchior, a brand of ale brewed by Picobrouwerij Alvinne, Ingelmunster Belgium Melchior Base, an Argentine Antarctic base