Indonesian Idol (musim 13)
Peserta Yang Pernah Mengikuti Kompetisi Lainnya

Sebelum mengikuti Indonesian Idol pada musim ini, beberapa peserta di bawah ini sebelumnya sudah mengikuti ajang pencarian bakat di beberapa stasiun televisi swasta, di antaranya:
| Peserta | Acara TV | Musim | Hasil terbaik | Catatan |
| --- | --- | --- | --- | --- |
| Akbar Herliansyah | The Voice Kids Indonesia | 2 | Babak Blind Audition | * |
| Akbar Herliansyah | Indonesian Idol Junior | 2 | Babak Top 12 Besar |  |
| Anak Agung Istri Agung Luna Maharani Kepakisan | The Voice Kids Indonesia | 4 | Babak Blind Audition |  |
| Andi Devandi | Indonesian Idol | 12 | Babak Audisi | Video audisi tidak ditayangkan |
| Anjelia Debora Domianus | The Voice Kids Indonesia | 1 | Babak Final Top 6 besar |  |
| Azia Riza | Indonesian Idol | 10 | Babak Eliminasi III Top 30 besar |  |
| Azia Riza | The Indonesian Next Big Star | 2023 | Babak Sing Off |  |
| Dini Nugraha | Indonesian Idol | 12 | Babak Audisi | Video audisi tidak ditayangkan |
| Fajar Nurdiansyah | X Factor Indonesia | 4 | Babak The Chairs |  |
| Fazar Iqro | Cifor Got Talent | 2 | Winner |  |
| Fire Amanda Putri | The Voice Kids Indonesia | 3 | Babak Live Shows Top 24 besar |  |
| Fire Amanda Putri | The Voice: All-Stars (Indonesia) | 2022 | Babak Blind Auditions |  |
| Fire Amanda Putri | The Indonesian Next Big Star | 2022 | Babak Battle |  |
| Ghatfaan Rifqi Erwin Putra | The Voice Kids Indonesia | 4 | Babak Semifinal Top 12 besar |  |
| Ghatfaan Rifqi Erwin Putra | KFC Mencari Bucket | 2023 | Pemenang |  |
| Jovita Sally Isanov | Indonesian Idol Junior | 1 | Babak Eliminasi III Top 25 besar |  |
| Nataya Angeleuis Putrialodia | Pop Academy | 1 | Babak Final Audition | Mendapatkan platinum ticket, tetapi tidak lolos ke babak 40 besar |
| Nataya Angeleuis Putrialodia | The Voice Kids Indonesia | 4 | Babak Battle Rounds |  |
| Nataya Angeleuis Putrialodia | The Indonesian Next Big Star | 2023 | Babak Battle |  |
| Nakeisha Syifa | Starvoices Indonesia | Starvoices Live 2019 | Finalis 15 Besar (Kategori Kids) |  |
| Samuel Gabriel Kadiman | The Voice Kids Indonesia | 2 | Babak Sing Off Top 24 Besar | * |
| Samuel Gabriel Kadiman | The Voice Indonesia | 4 | Babak Knockout |  |
| Sarah Ayu | Starvoices Indonesia | Starvoices Live 2018 | Finalis 13 Besar (Kategori Teens) |  |
| Sarah Ayu | Starvoices Indonesia | Starvoices Live 2019 | Finalis 15 Besar (Kategori Teens) |  |
| Sarah Ayu | Kontes Dangdut Indonesia | 12 | Babak 10 besar |  |
| Sarah Ayu | Rising Star Indonesia Dangdut | 2021 | Babak Live Duel |  |
| Shabrina Leonita | Voice Of DAAI | 2018 | Tempat Kedua |  |
| Shabrina Leonita | I Can See Your Voice Indonesia | 4 | Pemenang & Good Voice | Berperan sebagai Diva Sirkus pada episode spesial Enda & Arlonsy Miraldi |
| Sosila Mega Septianti | The Voice Kids Indonesia | 1 | Babak Semifinal Top 12 besar |  |
| Sosila Mega Septianti | The Voice: All-Stars (Indonesia) | 2022 | Babak Live Round Top 16 besar |  |
| Sosila Mega Septianti | The Indonesian Next Big Star | 2023 | Babak Battle |  |
| Tasya Sherin Azzahra | The Voice Kids Indonesia | 1 | Tempat Ketiga | * |
| Vanessa Friztie Ulina Simorangkir | The Voice Kids Indonesia | 3 | Tempat Ketiga |  |
| Vasilysa Stefanovna | Indonesian Idol Junior | 3 | Babak Eliminasi I | * |
| Vasilysa Stefanovna | The Voice Kids Indonesia | 4 | Babak Blind Audition |  |