Robert Sweet is listed in the credits for the following albums:
| Year | Artist | Album | Role |
|---|---|---|---|
| 1984 | Stryper | Yellow & Black Attack | Songwriter, Drums |
| 1985 | Stryper | Soldiers Under Command | Songwriter, Drums |
| 1986 | Stryper | To Hell With the Devil | Producer, Songwriter, Drums |
| 1986 | Stryper | Yellow & Black Attack (reissue) | Songwriter, Drums |
| 1988 | Stryper | In God We Trust | Drums |
| 1990 | Stryper | Against the Law | Drums |
| 1991 | Stryper | Can't Stop the Rock | Producer, Songwriter, Drums |
| 2005 | David Benson | Dbeality | Producer, Drums |
| 2011 | Stryper | The Covering | Drums |
| 2020 | Stryper | Even the Devil Believes | Drums, Percussion |
| 2024 | Stryper | When We Were Kings | Drums, Percussion |
