Fifth Dimension or fifth dimension may refer to:

• Five-dimensional space, a mathematical concept or construct
• The 5th Dimension, a pop music vocal group debuting in the 1960s
• 5th Dimension (album), a 2013 album by Momoiro Clover Z
• Fifth Dimension (album), a 1966 album by the Byrds
  • "5D (Fifth Dimension)", a 1966 song by the Byrds
• Fifth Dimension, a program in the Radio Tales series for National Public Radio
• The 5th Dimension, the fictional home dimension of DC Comics villain Mister Mxyzptlk
• The 5th Dimension (ride), an amusement park ride

• Dimension 5 (disambiguation)
• 5D (disambiguation)
• Fourth dimension in literature, discusses dimensions 4 and up

This disambiguation page lists articles associated with the title Fifth Dimension.
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