Material world
Material world may refer to:

All things matter
The physical world
Nature, the phenomena of the physical world, and life in general
As a proper noun:
Material World (TV series), a Canadian television sitcom in the 1990s
Material World (radio programme), a BBC Radio 4 science programme
Material World: A Global Family Portrait, a 1994 photo essay by Peter Menzel

See also
Living in the Material World, a 1973 album by George Harrison
George Harrison: Living in the Material World, a 2011 documentary film directed by Martin Scorsese
Material World Charitable Foundation, a charitable organisation founded by Harrison to coincide with the album
"Spirits in the Material World", a 1981 song by The Police