Bifolium (disambiguation)

A bifolium is a type of mathematical curve. It can also refer to:

Animals

 * A genus of brachiopods

Plants

 * Orchid genera now considered synonyms of Neottia
 * Bifolium Petiver ex Nieuwland
 * Bifolium P. G. Gaertner, B. Meyer et J. Scherbius
 * Bifolium cordatum, a synonym of Maianthemum bifolium
 * A taxonomic section of the genus Larrea

Manuscripts

 * A single sheet of parchment constituting two folios