| Conference | Deadline | Date | Country |
| 1.International Conference on Software and Systems Reuse, Product Lines, and Configuration (VARIABILITY 2026) | 2026-04-02 | 2026-09-29 | Cyprus |
| 2.11th International Conference on Control and Robotics Engineering(ICCRE 2026) | 2026-04-01 | 2026-05-08 | Japan |
| 3.9th International Conference on Circuits, Systems and Simulation (ICCSS 2026) | 2026-04-01 | 2026-05-08 | Thailand |
| 4.8th International Symposium on Signal Processing Systems (SSPS 2026) | 2026-04-01 | 2026-05-08 | Thailand |
| 5.9th International Conference on Electrical Engineering and Green Energy (CEEGE 2026) | 2026-04-01 | 2026-05-08 | China |
| 6.2026 IEEE 8th International Conference on Software Engineering and Computer Science (CSECS 2026) | 2026-04-01 | 2026-04-17 | China |
| 7.53rd HELSINKI World Congress on Advances in Science, Engineering & Technology (HWASET-26) scheduled on April 27-29, 2026 Helsinki (Finland) | 2026-04-01 | 2026-04-27 | Finland |
| 8.49th HELSINKI International Conference on “Chemical, Biological & Environmental Engineering” (HCBEE-26) scheduled on April 27-29, 2026 Helsinki (Finland) | 2026-04-01 | 2026-04-27 | Finland |
| 9.35th HELSINKI World Congress on Mining, Material and Metallurgical Engineering (WCM3E-26) scheduled on April 27-29, 2026 Helsinki (Finland) | 2026-04-01 | 2026-04-27 | Finland |
| 10.39th ISTANBUL World Congress on Advances in Science, Engineering & Technology (WASET-26) scheduled on April 29-May 1, 2026 Istanbul (Türkiye) | 2026-04-01 | 2026-04-29 | Turkey |
| 11.50th ISTANBUL International Conference on Green Technologies & Sustainable Engineering (IGTSE-26) scheduled on April 29-May 1, 2026 Istanbul (Türkiye) | 2026-04-01 | 2026-04-29 | Turkey |
| 12.37th ISTANBUL International Conference on Advances in Civil & Architectural Engineering (IACAE-26) April 29-May 1, 2026 Istanbul (Türkiye) | 2026-04-01 | 2026-04-29 | Turkey |
| 13.24th BARCELONA World Conference on Advances in Electrical, Electronics, and Computing Systems (AE2CS-26) scheduled on April 20-22, 2026 Barcelona (Spain) | 2026-04-01 | 2026-04-20 | Spain |
| 14.24th BARCELONA World Conference on Advances in Electrical, Electronics, and Computing Systems (AE2CS-26) April 20-22, 2026 Barcelona (Spain) | 2026-04-01 | 2026-04-20 | Spain |
| 15.40th BARCELONA World Congress on Science, Engineering & Technology (NCPDT-26) | 2026-04-01 | 2026-04-20 | Spain |
| 16.68th BARCELONA World Congress on Green Chemical Engineering, Energy & Environmental Sustainability (GCE2S-26) | 2026-04-01 | 2026-04-20 | Spain |
| 17.5th MANILA International Conference on Chemical, Biological & Environmental Engineering (MCBEE-26) scheduled on March 30-April 1, 2026 Manila (Philippines) | 2026-03-30 | 2026-03-30 | Philippines |
| 18.5th MANILA International Conference on Green Technologies & Sustainable Engineering (MGTSE-26) March 30-April 1, 2026 Manila (Philippines) | 2026-03-30 | 2026-03-30 | Philippines |
| 19.The 8th International Conference on Blockchain, Artificial Intelligence, and Trustworthy Systems (BlockSys'2026) | 2026-03-30 | 2026-07-29 | China |
| 20.6th CEBU International Congress on Green Chemical Engineering, Energy & Environmental Sustainability (GCE3S-26) scheduled on March 26-28, 2026 Cebu (Philippines) | 2026-03-26 | 2026-03-30 | Philippines |
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