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

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