The 2020 membership of the Dunedin Youth Orchestra consists of the following players (in seating order):
| Concertmaster | *Rose Stevenson |
| Violin 1 | Skyla Murray |
| Tara Kendon | |
| Louis Stevenson | |
| Julia Bennett | |
| Olive Ward | |
| Violin 2 | *Cindy Chou |
| Kaya Fukushima | |
| Angela Fu | |
| Simone Mfumu-Nsuka | |
| Elisha Morrison | |
| Ethan Leitch | |
| Yuiko Yoshimura | |
| Viola | *Grace Shaw |
| Cameron Monteath | |
| Cello | *Sophie Hamer |
| Ellen Walters | |
| Boudewijn Keenan | |
| Olivia Shakespeare | |
| Ella George | |
| Mai Isenbeck | |
| Bass | +Pania Simmonds |
| Flute | *Alice Horncastle |
| Kim De Vantier | |
| Emilia Haszard | |
| Emily Jameson | |
| Oboe | *Melissa Van der Haegen |
| Cian Dunwoody | |
| Clarinet | *Sabine Grey |
| Sarah de Vries | |
| Josh Lewis | |
| Ayla Biner-McGrath | |
| Bassoon | Aelyth Harrison |
| French Horn | Lydia Ford |
| Trumpet | *Serenity Hook |
| Quan Tay | |
| William Tong | |
| Trombone | Colin Macandrew |
| Finn McKinlay | |
| Percussion | *Richard Gayfer |
| Efe Celik | |
| Emilia Haszard (when needed) |
Asterisks (*) indicate section principal. ‘+’ indicates guest players.