Dimension X may refer to:
*
''Dimension X'' (radio program), a 1950–1951 American radio drama
*
''Dimension X'' (video game), a 1984 Atari 8-bit computer game from Synapse Software
*
Dimension X (''Teenage Mutant Ninja Turtles''), a location in the ''Teenage Mutant Ninja Turtles'' franchise
{{disambiguation