John Hartley is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1987 | Phil & John | Lonely Dancer | Songwriter, Vocals |
| 2001 | Various Artists | The Prayer of Jabez | Producer, Songwriter |
| 2001 | Petra | Revival | Songwriter |
| 2002 | Sheila Walsh | The Hymns Collection | Producer |
| 2012 | Twila Paris | God Shed His Grace | Producer |
| 2012 | Katie Gustafson | Introducing Katie Gustafson | Producer |
| 2013 | One: A Worship Collective | We Believe (Live) | Producer |
