| Science Competitions |
| A*STAR Talent Search |
| APEC Youth Science Festival |
| Canada-Wide Science Fair |
| Ceres Connection |
| Chemistry olympiad |
| DARPA Grand Challenge |
| Discovery Channel Young Scientist Challenge |
| EUREKA Prometheus Project |
| Eco-marathon |
| Electrolux Design Lab |
| Envirothon |
| European Union Science Olympiad |
| Exploravision |
| Future City Competition |
| History of Young Physicists' Tournament in Russia |
| Intel International Science and Engineering Fair |
| Intel Science Talent Search |
| International Astronomy Olympiad |
| International Biology Olympiad |
| International Chemistry Olympiad |
| International Earth Science Olympiad |
| International Junior Science Olympiad |
| International Linguistic Olympiad |
| International Physics Olympiad |
| International Science Olympiad |
| International Young Physicists' Tournament |
| Invent Now America |
| Jugend forscht |
| National Medical Challenge Bowl |
| National Middle School Science Bowl |
| National Ocean Sciences Bowl |
| Odyssey of the Mind |
| POISK Centre |
| Pittsburgh Regional Science and Engineering Fair |
| Russian Young Physicists' Tournament |
| School Astronomical Olympiad by Correspondence |
| Science Bowl |
| Science Olympiad |
| Science fair |
| Siemens Competition |
| Solar Decathlon |
| Tuymaada |
| USA Biology Olympiad |
| Ukrainian Physicists' Tournament for University Students |
| United States National Chemistry Olympiad |
| World Solar Challenge |
| Worldwide Youth in Science and Engineering |
