| Role | Voice Part | Classification |
|---|---|---|
| Cio-Cio-San, Madama Butterfly | Soprano | L |
| Lt. Pinkerton | Tenor | L |
| Suzuki | Mezzo-Soprano | F |
| Sharpless | Baritone | F |
| Goro | Tenor | F |
| Prince Yamadori | Baritone | S |
| The Bonze | Bass | S |
| The Imperial Commissioner | Bass | B |
| Kate Pinkerton | Mezzo-Soprano | B |
| The Official Registrar | Baritone | B |
| Yakuside* | Baritone | CB |
| Cousin | Soprano | CB |
| Mother | Mezzo-Soprano | CB |
| Aunt | Mezzo-Soprano | CB |
| Trouble (Cio-Cio-San's child) | B | |
| * Yakuside-With Aria (original version. Drinking song) = B | ||
| Minimum Chorus: 21 | ||
| Divisi: SAT |
Schedule C