| Conference | Deadline | Date | Country |
| 1.12th International Conference on Architecture, Materials and Construction(ICAMC 2026) | 2026-07-25 | 2026-09-02 | Portugal |
| 2.7th International Conference on Building Science, Technology and Sustainability(ICBSTS 2026) | 2026-07-25 | 2026-09-02 | Portugal |
| 3.13th International Conference on Energy and Environment Research (ICEER 2026) | 2026-06-05 | 2026-07-15 | Portugal |
| 4.11th International Conference on Advances on Clean Energy Research(ICACER 2026) | 2026-03-01 | 2026-04-10 | Portugal |
| 5.10th International Conference on Energy Economics and Energy Policy (ICEEEP 2026) | 2026-03-01 | 2026-04-10 | Portugal |
| 6.21st LISBON International Conference on “Artificial Intelligence, Energy & Manufacturing Engineering” (AIEME-26) scheduled on March 11-13, 2026 Lisbon (Portugal) | 2026-02-25 | 2026-03-11 | Portugal |
| 7.21st LISBON International Conference on Nursing and Medical Sciences (ICNMS-26) scheduled on March 11-13, 2026 Lisbon (Portugal) | 2026-02-25 | 2026-03-11 | Portugal |
| 8.15th LISBON International Congress on Advances in Mining, Material & Metallurgical Engineering (AMMME-17) scheduled on March 11-13, 2026 Lisbon (Portugal) | 2026-02-25 | 2026-03-11 | Portugal |
| 9.28th LISBON International Conference on Law, Business and Finance Management (LLBFM-26) scheduled on March 11-13, 2026 Lisbon (Portugal) | 2026-02-25 | 2026-03-11 | Portugal |
| 10.39th LISBON International Conference on Advances in “Engineering & Technology” (LICAET-26) | 2026-02-25 | 2026-03-11 | Portugal |
| 11.50th LISBON Global Congress on Ecological Agriculture, Biodiversity & Waste Management (EABWM-26) | 2026-02-25 | 2026-03-11 | Portugal |
| 12.52nd LISBON International Congress on Music, Psychology, Philosophy & Social Sciences (MPPSS-26) scheduled on March 11-13, 2026 Lisbon (Portugal) | 2026-02-25 | 2026-03-11 | Portugal |
| 13.45th LISBON Global Congress on “Marketing, Business & Management Studies” (LMBMS-26) | 2026-02-20 | 2026-03-11 | Portugal |
| 14.67th LISBON World Congress on “Science, Social Sciences, Humanities & Education” (LS3HE-26) | 2026-02-20 | 2026-03-11 | Portugal |
| 15.59th LISBON World Congress on Advances in “Chemical, Biological & Environment Engineering” (ACBEE-26) | 2026-02-20 | 2026-03-11 | Portugal |
| 16.57th LISBON World Congress on Languages, Literature, Humanities & Social Sciences (LLHSS-26) | 2026-02-20 | 2026-03-11 | Portugal |
| 17.50th LISBON International Congress on Business and Management Studies (ICBMS-26) March 11-13, 2026 Lisbon (Portugal) | 2026-02-20 | 2026-03-11 | Portugal |
| 18.48th LISBON International Conference on “Science, Technology, Social Sciences & Education” (STSSE-26) scheduled on Feb. 11-13, 2026 Lisbon (Portugal) | 2026-01-20 | 2026-02-11 | Portugal |
| 19.36th LISBON International Conference on Advances in Software, Control and Mechanical Engineering (ASCME-26) scheduled on Feb. 11-13, 2026 Lisbon (Portugal) | 2026-01-20 | 2026-02-11 | Portugal |
| 20.45th LISBON International Conference on “Green Technologies” (LICGT-26) Feb. 11-13, 2026 Lisbon (Portugal) | 2026-01-20 | 2026-02-11 | Portugal |
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