Look upoctavoin Wiktionary, the free dictionary.
Octavois a technical term describing the format of a book.
Octavomay also refer to:
- pseudonym ofHenri Julien(1852–1908), French Canadian artist
- Octavo (Discworld),a grimoire in theDiscworldseries by Terry Pratchett
- Octavo Corp., a company in Oakland, California, that publishes digital editions of rare books — seeRare Book Room