Catalog or catalogue may refer to:
- Cataloging
- in science and technology
- Library catalog, a catalog of books and other media
- Union catalog, a combined library catalog describing the collections of a number of libraries
- Calendar (archives) and Finding aid, catalogs of an archive
- Astronomical catalog, a catalog of astronomical objects
- Star catalog, a catalog of stars
- Pharmacopoeia, a book containing directions for the preparation of compound medicines
- Database catalog, in computer science
- Library catalog, a catalog of books and other media
- in arts
- Collection catalog, a catalog of a museum
- Exhibition catalogue, a catalogue of art
- Catalogue raisonné, a list of artworks
- Music catalog, a catalog of musical compositions
- Font catalog, a catalog of typefaces containing specimen with example use of fonts
- in sales
- Mail order catalog
- Parts book, a book published by a manufacturer, containing the part numbers of their products
- Trade literature, printed materials published by creating , wholesaling, or retailing firms
- The retail product offerings of an online shopping service
- in other uses
- Auction catalog, a catalog that lists items to be sold at an auction
- Stamp catalog, a catalog of postage stamps
- in science and technology
- as a proper name
- Catalogue (John Hartford album), 1981
- Catalogue (Moloko album), 2006
- Catalog (album), an album by Amano Tsukiko
- Catalogue 1987–1995, 1995 album by Buck-Tick
- Catalogue 2005, 2005 album by Buck-Tick
- The Catalogue, 2009 box set by Kraftwerk
- 3-D The Catalogue, 2017 album by Kraftwerk