| Role | Voice Part | Classification |
|---|---|---|
| Fiordiligi | Soprano | L |
| Dorabella, her sister | Soprano | L |
| Ferrando, her fiance | Tenor | L |
| Guglielmo, engaged to Fiordiligi | Baritone | L |
| Don Alfonso | Baritone | L |
| Despina, maid to Fiordiligi & Dorabella | Soprano | L |
| Minimum Chorus: 12 | ||
| Divisi: SATB |