Hidden World or variants may refer to:
Books Hidden Worlds, a 1974 book, by M. Van Der Veer and P. Moerman about existence of Atlantis and other pseudoarchaeology Hidden World (novel), a novel by Stanton A. Coblentz Hidden World, a 2008 fantasy novel by Paul Park in the A Princess of Roumania series The Hidden World, a 1999 fantasy novel by Alison Baird
Other media The Hidden World, a 2013–14 exhibition of work by American artist Jim Shaw The Hidden World, a 1958 American science documentary film How to Train Your Dragon: The Hidden World, a 2019 film by DreamWorks Animation Hidden World (album), the 2006 debut album by hardcore punk band Fucked Up