Catalogue number

A catalogue number (British English) or catalog number (American English) may refer to:


 * Any number used to identify an item in a catalog (disambiguation), including:
 * Accession number (disambiguation), in libraries and museums
 * Auction catalogue
 * Catalog number (music), a number assigned by a record label
 * Catalog number (commercial products), a number assigned to an item for sale by a commercial vendor
 * Satellite Catalog Number, a 5-digit number assigned by the US to satellites