| OSN 2026 | | Muhammad Abror Hadi Ramadhan | SMAIT IQRA' | Semifinalis | | |
| OSN 2025 | | Muhammad Athallah Anshori | SMAN 5 Bengkulu | Semifinalis | | |
| OSN 2024 | 96 | Nora Indah Fransiska | MAN 2 Kota Bengkulu | 0 | 5 | 0 | 5 | 0 | | | 10 | |
| OSN 2023 | 72 | Muhammad Hawari Tsabit | SMAN 2 Bengkulu | 63 | 6 | 5 | 42 | | 16 | | 132 | |
| OSN 2022 | 94 | Nasya Kenzia Syaira Alifa | SMAN 5 Bengkulu | 0 | | 0 | 0 | 9 | 0 | | 9 | |
| KSN 2021 | 77 | Yazidane Hakim | SMAN 4 Rejang Lebong | 20 | 5 | 15 | 8 | 8 | 18 | | 74 | |
| KSN 2020 | 91 | Dany Raihan | SMAN 1 Rejang Lebong | 0 | 0 | 11 | 14 | 12 | 0 | | 37 | |
| OSN 2019 | 69 | Fadli Dwi Ramadhan | SMAIT IQRA' | 12 | 0 | 38 | 0 | 0 | 0 | | 50 | |
| OSN 2018 | 66 | Rahmat Pujiatno | SMAN 10 Kaur Pentagon | 14 | 20 | 18 | 14 | 0 | 7 | | 73 | |
| OSN 2017 | 51 | Agung Dika Wilantara | SMAN 1 Kepahiang | 18 | 15 | 16 | 13 | 16 | 12 | | 90 | |
| OSN 2016 | 82 | Bellia Mega Sari | SMAN 1 Curup Selatan | 0 | 9 | 0 | 0 | 9 | 0 | | 18 | |
| OSN 2015 | 58 | Nabila Rahmadani | SMAN 5 Bengkulu | 12 | 16 | 14 | 13 | 48 | 16 | | 119 | |
| OSN 2014 | 82 | Ridho Andriano | SMAN 1 Lebong Utara | 0 | 0 | 0 | 0 | 6 | 18 | 19 | 0 | 43 | |
| OSN 2013 | 84 | Reza Rahmadani | SMAN 1 Curup | 18 | 0 | 18 | 18 | 0 | 0 | 18 | 3 | 75 | |
| OSN 2012 | 73 | Muhammad Revaldi | SMAN 5 Bengkulu | 0 | 20 | 0 | 0 | 30 | 0 | 0 | 18 | 68 | |
| OSN 2011 | 31 | Johano Afrizal Wibowo | SMAN 1 Curup | | 562 | |
| OSN 2010 | 43 | Johano Afrizal Wibowo | SMAN 1 Curup | | 516 | |
| 100 | Kevin Wewengkang | SMAN 1 Curup | | 163 | |
| OSN 2009 | 94 | Muhammad Jundi Adila | SMAN 5 Bengkulu | | 175 | |
| 96 | Meiriyan Susanto | SMAN 2 Bengkulu | | 152 | |
| OSN 2008 | 76 | Riyan Fajri | SMAN 5 Bengkulu | | 3475.79 | |
| OSN 2007 | 86 | Anisa Ambarwati | | | 744.0 | |
| OSN 2006 | | Separdi Haja | | | | |
| OSN 2005 | 84 | Supriyanto | SMAN 2 Talang Empat | 0 | 0 | 0.00 | 0.00 | 0.00 | 0 | | 994 | |
| OSN 2004 | 90 | Iim Hilman | | | 1475 | |