| Conference | Deadline | Date | Country |
| 1.9th International Conference on Tourism Research | 2025-09-24 | 2026-04-18 | Portugal |
| 2.2026 10th International Conference on Machine Vision and Information Technology (CMVIT 2026) | 2025-08-25 | 2026-02-27 | Portugal |
| 3.37th LISBON Global Congress on Advances in Engineering, Computing & Cybersecurity (AECC-25) Dec. 10-12, 2025 Lisbon (Portugal) | 2025-11-10 | 2025-12-10 | Portugal |
| 4.48th LISBON International Congress on Nanotechnology, Materials & Environmental Sciences (NMES-25) | 2025-11-10 | 2025-12-10 | Portugal |
| 5.50th LISBON International Congress on Music, Psychology, Philosophy and Social Sciences (MPPSS-25) | 2025-11-10 | 2025-12-10 | Portugal |
| 6.43rd LISBON Global Congress on “Marketing, Business & Management Studies” (LMBMS-25) | 2025-11-10 | 2025-12-10 | Portugal |
| 7.65th LISBON International Congress on Research in Science, Technology, Social Sciences & Education (LSTSSE-25) | 2025-11-10 | 2025-12-10 | Portugal |
| 8.57th LISBON Global Congress on “Chemical, Biological, Environment & Medical Sciences” (LCBEM-25) Dec. 10-12, 2025 Lisbon (Portugal) | 2025-11-10 | 2025-12-10 | Portugal |
| 9.55th LISBON World Congress on Humanities & Social Sciences (WCHSS-25) Dec. 10-12, 2025 Lisbon (Portugal) | 2025-11-10 | 2025-12-10 | Portugal |
| 10.48th LISBON Global Congress on Cultural, Social & Economic Sustainability (LCSES-25) Dec. 10-12, 2025 Lisbon (Portugal) | 2025-11-10 | 2025-12-10 | Portugal |
| 11.44th PORTUGAL International Conference on “Sciences, Social Sciences, Education & Technology” (SSSET-25) Sept. 10-12, 2025 Lisbon (Portugal) | 2025-08-12 | 2025-09-10 | Portugal |
| 12.33rd LISBON International Conference on Advances in Industrial and Manufacturing Engineering (LAIME-25) | 2025-08-12 | 2025-09-10 | Portugal |
| 13.40th LISBON International Conference on Ecological Agriculture, Biodiversity & Waste Management (LEABWM-25) | 2025-08-10 | 2025-09-10 | Portugal |
| 14.31st LISBON International Conference on Advances in Civil & Architectural Engineering (LACAE-25) | 2025-08-10 | 2025-09-10 | Portugal |
| 15.45th LISBON-PORTUGAL International Conference on “Chemical, Biological & Environmental Sciences” (LCBES-25) | 2025-08-10 | 2025-09-10 | Portugal |
| 16.31st LISBON International Conference on Biological and Environmental Sustainability (LBES-25) | 2025-08-10 | 2025-09-10 | Portugal |
| 17.58th LISBON International Conference on “Humanities, Social Sciences & Cultural Studies” (HSSCS-25) Sept. 10-12, 2025 Lisbon (Portugal) | 2025-08-10 | 2025-09-10 | Portugal |
| 18.40th ISTANBUL International Conference on Green Chemistry & Sustainable Environmental Solutions (GCSES-25) | 2025-07-28 | 2025-08-28 | Portugal |
| 19.19th International Conference on e-Learning and Digital Learning 2025 | 2025-05-26 | 2025-07-23 | Portugal |
| 20.10th International Conference on Big Data Analytics, Data Mining and Computational Intelligence 2025 | 2025-05-26 | 2025-07-23 | Portugal |
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