Rob Martens is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1979 | Servant | Shallow Water | Bass, Background Vocals |
| 1981 | Servant | Rockin' Revival | Bass, Background Vocals |
| 1982 | Servant | World of Sand | Bass, Background Vocals |
| 1983 | Servant | Caught in the Act of Loving Him | Bass, Background Vocals |
| 1984 | Servant | Light Maneuvers | Songwriter, Bass |
| 1985 | Servant | Swimming in a Human Ocean | Songwriter, Bass |
