"Age of Reason" is a song by Australian pop rock singer John Farnham. Written by Todd Hunter and Johanna Pigott, it was released as the first single from Farnham's 1988 album of the same name. The song topped Australia's ARIA Singles Chart for four weeks and became a top-five hit in New Zealand, where it peaked at number four. At the APRA Music Awards of 1990, the song won the Most Performed Australasian Popular Work award.