Olimpiade Sains Nasional 2005 Bidang Informatika
| # | Provinsi | Nasional | |||
|---|---|---|---|---|---|
| 1 | DKI Jakarta | 3 | 3 | 1 | 3 |
| 2 | Sumatera Utara | 1 | 1 | 1 | 1 |
| 3 | Jambi | 1 | - | 2 | 5 |
| 4 | Jawa Barat | - | 2 | 1 | 5 |
| 5 | Jawa Tengah | - | 1 | 2 | 8 |
| 5 | Jawa Timur | - | 1 | 2 | 6 |
| 5 | Kalimantan Barat | - | 1 | 2 | - |
| 8 | Banten | - | 1 | - | - |
| 9 | D. I. Yogyakarta | - | - | 1 | 7 |
| 9 | Bali | - | - | 1 | 3 |
| 9 | Kalimantan Tengah | - | - | 1 | - |
| 9 | Sulawesi Utara | - | - | 1 | - |
| 13 | Lampung | - | - | - | 2 |
| 13 | Sumatera Barat | - | - | - | 2 |
| 13 | Aceh | - | - | - | 1 |
| 13 | Bengkulu | - | - | - | 1 |
| 13 | Gorontalo | - | - | - | 1 |
| 13 | Kalimantan Selatan | - | - | - | 1 |
| 13 | Kalimantan Timur | - | - | - | 1 |
| 13 | Kep. Bangka Belitung | - | - | - | 1 |
| 13 | Kep. Riau | - | - | - | 1 |
| 13 | Maluku | - | - | - | 1 |
| 13 | Maluku Utara | - | - | - | 1 |
| 13 | Nusa Tenggara Barat | - | - | - | 1 |
| 13 | Nusa Tenggara Timur | - | - | - | 1 |
| 13 | Papua | - | - | - | 1 |
| 13 | Papua Barat | - | - | - | 1 |
| 13 | Riau | - | - | - | 1 |
| 13 | Sulawesi Selatan | - | - | - | 1 |
| 13 | Sulawesi Tengah | - | - | - | 1 |
| 13 | Sulawesi Tenggara | - | - | - | 1 |
| 13 | Sumatera Selatan | - | - | - | 1 |