Gene Miller is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1987 | Debby Boone | Friends For Life | Background Vocals |
| 1993 | Bryan Duncan | Mercy | Background Vocals |
| 1998 | Nikki Leonti | Shelter Me | Additional Vocals |
| 1998 | Phil Keaggy | Phil Keaggy | Vocals |
| 1998 | Carman | Mission 3:16 | Choir Vocals |
| 2000 | Charles Billingsley | Marks of the Mission | Vocals |
| 2001 | Phil Keaggy | Songs About What Matters | Background Vocals |
| 2001 | Greg Long | Now | Background Vocals |
| 2001 | Cindy Morgan | Elementary | Background Vocals |
| 2001 | Steven Curtis Chapman | Declaration | Vocals |
| 2002 | Eoghan Heaslip | Mercy | Vocals |
| 2006 | Phil Keaggy | Dream Again | Background Vocals ("Why") |
| 2006 | MercyMe | Coming Up To Breathe | Background Vocals |
| 2007 | Phil Keaggy | Acoustic Cafe | Acoustic Guitar, Vocals |
| 2014 | Billy Sprague | Songs in the Key of Awe | Background Vocals |
| 2016 | Phil Keaggy | All At Once | Background Vocals |
| 2022 | Cheri Keaggy | What I Know To Be True | Background Vocals |
