National Radiator Company

National Radiator Company may refer to:


 * National Radiator Company, (Johnstown, Pennsylvania, USA), later National Radiator Corporation
 * A number of European subsidiaries of the American Radiator Company, later under the Ideal Standard business.
 * Compagnie Nationale de Radiateurs in France
 * National Radiator Company Limited in UK
 * Nationale Radiator Gesellschaft mbH in Germany