Michael Johnston is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1996 | Age of Faith | Embrace | Additional Vocals |
| 1997 | Smalltown Poets | Smalltown Poets | Songwriter, Guitars, Lead Vocals |
| 1998 | Smalltown Poets | Listen Closely | Songwriter, Guitars, Lead Vocals |
| 2000 | Smalltown Poets | Third Verse | Producer, Songwriter, Acoustic Guitar, Vocals |
| 2002 | The Waiting | Wonderfully Made | Background Vocals |
| 2012 | Smalltown Poets | Under the New Sun | Producer, Songwriter, Vocals, Guitar |
