DCX may refer to: Science and technology McDonnell Douglas DC-X, an unmanned prototype spacecraft Digital customer experience DCX (gene), which encodes the protein doublecortin .dcx (DCX), a document image format, the Multipage PCX 610 (number) (Roman numerals) Other uses Dixie Chicks, an alternative-country band Delta Chi Xi, an honorary professional fraternity DCX (band), a Finnish electro dance music group Brocade Communications Systems Backbone network switch See also DC10 (disambiguation)