A list of past champions is also maintained on the IHBB Wikipedia page here.

VARSITY DIVISION
International History Bowl
2023 – Philippine Science High School – Main Campus, Philippines
2022 – La Salle Green Hills, Philippines
2021 – Seoul International School, Seoul
2020 – Seoul International School, Seoul
2019 – Hwa Chong Institution, Singapore
2018 – Shanghai High School International Division, Shanghai
2017 – Hwa Chong Institution, Singapore
2016 – Concordian International School, Bangkok, Thailand
2015 – International Community School, Bangkok, Thailand
2014 – International Community School, Bangkok, Thailand

International History Bee
2023 – Carlos Sebastian L. Santos, La Salle Green Hills, Philippines
2022 – Yanni Ranollo, La Salle Green Hills, Philippines
2021 – Cheng (Felix) Qin, Shanghai High School International Division, Shanghai
2020 – Jun Hyuk (Edward) Lee, Seoul International School, South Korea
2019 – Samuel Foo, Raffles Institution, Singapore
2018 – Vijay Siddharth, NPS International School, Singapore
2017 – Boyang Hou, Hwa Chong Institution, Singapore
2016 – Sirapong Kancvalskul, Concordian International School, Thailand
2015 – Suntiparp Somsak, International Community School, Thailand
2014 – Suntiparp Somsak, International Community School, Thailand

Academic Bowl of Asia

2023 – Ruamrudee International School, Thailand
2019 – Raffles Institution, Singapore
2018 – Team Itihasa, Singapore
2017 – Hwa Chong Institution, Singapore
2016 – Hankuk Academy of Foreign Studies, Yongin, South Korea

International Geography Bee (held as the Geography Bee of Asia in 2015 and 2016)
2023 – Tok Shing Henry Wong, Diocesan Boys’ School, Hong Kong
2022 – Naushirvan Zaman, Lahore Grammar School, Pakistan
2021 – Manan Bulani, NPS International School, Singapore
2020 – Loh Yun, Hwa Chong Institution, Singapore
2019 – Cheuk Wun Sherwood Cheung, Diocesan Boys’ School, Hong Kong
2018 – Seonoo Kim, Hankuk Academy of Foreign Studies, South Korea
2017 – Alfred Chan, Creative Secondary School, Hong Kong
2016 – Sirapong Kancvalskul, Concordian International School, Thailand
2015 – Suntiparp Somsak, International Community School, Thailand

International Science Bee
2023 – Thitilapa (Ivy) Sae-Heng, Ruamrudee International School, Thailand
2022 – Audrey Yuen, Harrow International School, Hong Kong
2021 – Nigel Ma, German Swiss International School, Hong Kong

International Academic Bee
2023 – Carlos Sebastian L.Santos, La Salle Green Hills, Philippines
2022 – Audrey Yuen, Harrow International School, Hong Kong
2021 – Kevin Zheng, Harrow School, Singapore

Sports & Entertainment History Bee
2019 – Samuel Foo, Raffles Institution, Singapore
2018 – Sasid Sriwattana, Ruamrudee International School, Thailand
2017 – Martin Sasser, Sunway International School, Malaysia
2016 – Frankie Singer, KAIS International School, Japan
2015 – Nitipat Nantavaropas, Ruamrudee International School, Thailand
2014 – Andre Wong, Shanghai American School – Puxi Campus, China

JUNIOR VARSITY DIVISION
International History Bowl
2023 – Anglo-Chinese School (Independent), Singapore
2022 – NPS International School, Singapore
2021 – Seoul Foreign School, Seoul
2020 – La Salle Green Hills, Manila, Philippines
2019 – Shanghai High School International Division, Shanghai, China
2018 – Tsinghua International School – Beijing, China
2017 – Shanghai American School – Puxi Campus, Shanghai, China
2016 – NPS International School, Singapore
2015 – NPS International School, Singapore
2014 – Singapore American School, Singapore

International History Bee
2023 – Jinkai Hao, School of the Nations, Macau
2022 – Roye Ganju, UWC of South East Asia, Singapore
2021 – Yanni Ranollo, La Salle Green Hills, Manila
2020 – John Lance V. Bautista, La Salle Green Hills, Manila
2019 – Alejandro Espino, International Christian Academy, Parañaque, Philippines
2018 – Frank Lin, Shanghai High School International Division, Shanghai
2017 – Vijay Siddharth, NPS International School, Singapore
2016 – Priyankar Kandarpa, NPS International School, Singapore
2015 – Haripoom Prasutchai, International Community School, Thailand
2014 – Nicolas Gruenwald, Singapore American School, Singapore

Academic Bowl of Asia
2023 – Tsinglan School, China
2019 – Tsinghua International School, China
2018 – Tsinghua International School, China
2017 – NPS International School, Singapore
2016 – NPS International School, Singapore

International Geography Bee (held as the Geography Bee of Asia in 2015 and 2016)
2023 – Ishaan Raghav, NPS International School, Singapore
2022 – Arthur Chapman, Taipei Fuhsing Private School, Taipei
2021 – Yashas Ramakrishnan, NPS International School, Singapore
2020 – Manan Bulani, NPS International School, Singapore
2019 – Manan Bulani, NPS International School, Singapore
2018 – Anshul Jingan, NPS International School, Singapore
2017 – Vijay Siddharth, NPS International School, Singapore
2016 – Vijay Siddharth, NPS International School, Singapore
2015 – Alan Liang, Shanghai American School – Pudong Campus, China

International Science Bee
2023 – Alex Kil, Seoul Foreign School, South Korea
2022 – Paul Moon, Seoul International School, South Korea
2021 – Audrey Yuen, Harrow International School, Hong Kong
2020 – Ivan Yuan, Shanghai High School International Division, Shanghai

International Academic Bee
2023 – Michael Yicheng Ai, Tsinglan School, China
2022 – Simone Hanibal, Tashkent International School, Uzbekistan
2021 – Ivan Yuan, Shanghai High School International Division, Shanghai

Sports & Entertainment History Bee
2019 – Manan Bulani, NPS International School, Singapore
2018 – Jun Hyuk Lee, Seoul International School, South Korea
2017 – Dev Belliappa, Overseas Family School, Singapore
2016 – Chansol Park, Shanghai American School – Puxi Campus, China
2015 – Alan Liang, Shanghai American School – Pudong Campus, China
2014 – Jack Liu, Dulwich College Beijing, China

MIDDLE SCHOOL DIVISION
International History Bowl
2023 – La Salle Green Hills, Philippines
2022 – Shanghai High School International Division, Shanghai
2021 – Korea International School, Seoul
2020 – School of the Nations, Macau
2019 – La Salle Green Hills, Philippines
2018 – Shanghai High School – International Division, Shanghai
2017 – International Christian Academy, Parañaque, Philippines
2016 – Shanghai High School International Division, Shanghai
2015 – Shanghai High School International Division, Shanghai
2014 – Hong Kong International School, Hong Kong

International History Bee
2023 – Luke Ng, Anglo-Chinese School (Independent), Singapore
2022 – Luke Ng, Anglo-Chinese School (Independent), Singapore
2021 – Jayden Choe, Korea International School, Seoul
2020 – Claire Haigh, Seoul Foreign School, Seoul
2019 – John Lance Bautista, La Salle Green Hills, Philippines
2018 – Calvin Pan, Shanghai High School International Division, Shanghai
2017 – Elizabeth Enright, Dulwich College Singapore, Singapore
2016 – Wesley Zhang, High School Affiliated to Renmin University of China, Beijing
2015 – Chansol Park, Shanghai American School – Pudong Campus, Shanghai
2014 – Chansol Park, Hong Kong International School, Hong Kong

Academic Bowl of Asia
2023 – La Salle Green Hills, Philippines
2019 – La Salle Green Hills, Philippines
2018 – NPS International School, Singapore
2017 – NPS International School, Singapore
2016 – Shanghai High School International Division, Shanghai

International Geography Bee (held as the Geography Bee of Asia in 2015 and 2016)
2023 – Haoqi Zhang, Transformation Academy of Shanghai, China
2022 – Angus Paterson, Scotch College Melbourne, Australia
2021 – Vaageesan Surendran, APL Global School Chennai, India
2020 – Adhit Ranjan, German Swiss International School, Hong Kong
2019 – Yashas Ramakrishnan, NPS International School, Singapore
2018 – Manan Bulani, NPS International School, Singapore
2017 – Pierre-Adam Caudal, Lycée Français de Singapour, Singapore
2016 – Wesley Zhang, High School Affiliated to Renmin University of China, China
2015 – Neel Date, India International School in Japan, Japan

International Science Bee
2023 – William Guthrie, American School In Japan, Japan
2022 – Wilson Li, Taipei European School, Taipei
2021 – Alex Kil, Seoul Foreign School, Seoul
2020 – Alex Kil, Seoul Foreign School, Seoul

International Academic Bee
2023 – Elijah V. Malasig, La Salle Green Hills, Philippines
2022 – Angus Paterson, Scotch College Melbourne, Australia
2021 – Dhruv Mathur, NPS International School, Singapore

Sports & Entertainment History Bee
2019 – Alex Mueller, German Swiss International School, Hong Kong
2018 – Thierry De’eb, Creative Secondary School, Hong Kong
2017 – Aniket Das, NIST International School, Bangkok
2016 – Dev Belliappa, Overseas Family School, Singapore
2015 – Kristian Jacob Chung, Hong Kong International School, Hong Kong
2014 – Neel Date, India International School in Japan, Tokyo

ELEMENTARY DIVISION
International History Bee
2023 – Advay Misra, Sanskriti School, India

International Geography Bee 
2023 – Advay Misra, Sanskriti School, India
2022 – YikYin Ho, Shanghai Austin Academy, China

International Science Bee
2023 – Advay Misra, Sanskriti School, India
2022 – Advay Misra, Sanskriti School, India

International Academic Bee
2023 – Advay Misra, Sanskriti School, India
2022 – Kyubin Kim, Seoul Foreign School, South Korea

ADULT DIVISION
Sports & Entertainment History Bee
2019 – Jeff Gepner, Ruamrudee International School, Bangkok
2018 – Jon Barnes, Creative Secondary School, Hong Kong
2017 – Mark Rosauer, India International School in Japan, Tokyo
2016 – Mark Rosauer, India International School in Japan, Tokyo
2015 – Doug Dysart, Busan Foreign School, Busan
2014 – Tucker Brabec, Dulwich College Beijing, Beijing