Hepfidelity is the debut solo album by Australian singer/songwriter Diesel. The album was released in March 1992 through Chrysalis Records/ EMI Records, and held the number-one spot on the ARIA Albums Chart for four weeks. It included the singles "Love Junk", "Come to Me", "Tip of my Tongue", "Man Alive" and "One More Time".

The album was certified 3x platinum in Australia.

^{^}shipments figures based on certification alone