The fourth part of the world may refer to:
The New World, also called "the fourth part of the world" Americae Sive Quartae Orbis Partis Nova Et Exactissima Descriptio or The Fourth Part of the World, a 1562 geographical map The Fourth Part of the World: The Epic Story of History's Greatest Map, a 2009 book by Toby Lester
See also Johannes Schöner globe, for popularization of the term. Four continents Four corners of the world (disambiguation) Fourth World (disambiguation)