Fifth Dimension

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