Folio

Folio may refer to:

• Folio (printing), a book size
• A particular edition of a book printed on folio pages, such as the First Folio of William Shakespeare's plays
• A leaf of a book: see Recto and verso
• Folio (typeface), a sans-serif typeface
• Folio (magazine)
• Foolscap folio, a paper size
• Folio Society, publishers of fine illustrated books
• Folio Weekly, a newspaper published in Florida and Georgia
• "Folio", an imprint of French publisher Éditions Gallimard
• Folio Corporation, a software company and technology product
• Folio, Inc. (acquired by Sun Microsystems), developers of the F3 font format