One Voice: Greatest Hits

One Voice: Greatest Hits

One Voice: The Greatest Hits is a 2 disc greatest hits compilation album by Australian singer John Farnham. The album was released in Australia on 20 October 2003, and was accompanied by a DVD titled One Voice: The Greatest Clips. It was released to celebrate 35 years of John Farnham's career.

This album and subsequent DVD were released by Sony BMG to celebrate 35 years of John Farnham's music being commercially available in Australia. The album reached #2 in the ARIA charts.