| Mrs | Rihab | Maaloul | isima | Tunisia | Others | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Nonhlangabezo | Mabuba | University of Johannesburg | South Africa | Water and Wastewater Treatment | Excellence in Research | View Profile |
| Assist. Prof. Dr | Maria | Macchiaroli | University of Salerno | Italy | Water Resources Engineering | Women Researcher Award | View Profile |
| Mr | Richard | Machado | Federal University of Santa Maria | Brazil | Sustainable Development | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Azamat | Madibekov | Institute of Geography and water safety | Kazakhstan | Environmental Risk Assessment | Excellence in Research | View Profile |
| Dr | Phisamai | Maenpuen | Xishuangbanna Tropical Botanical Garden,CAS | Thailand | Others | Best Researcher Award | View Profile |
| Mr | Sohanth Tej | Maganty | IIT Hyderabad | India | Structural Engineering | Best Researcher Award | View Profile |
| Dr | Thomas Odey | Magu | University of Florida | United States | Sustainable Development | Excellence in Research | View Profile |
| Dr | Ron | Mahabir | University of Liverpool | United Kingdom | Urban Planning | Research Excellence Award | View Profile |
| Dr | Mahasakti | Mahamaya | OP Jindal University,Raigarh,Chhattishgarh,India. | India | Geotechnical Engineering | Best Researcher Award | View Profile |
| Dr | Mahasakti | Mahamaya | OP Jindal University | India | Geotechnical Engineering | Women Researcher Award | View Profile |
| Dr | Abbas | Mahboobi | Iran | Iran | Geotechnical Engineering | Best Researcher Award | |
| Assist Prof Dr | Mostafa | Mahinroosta | Materials and Energy Research Center | Iran | Solid Waste Management | Best Researcher Award | View Profile |
| Dr | Rashid | Mahmood | Air University | Pakistan | Others | Best Researcher Award | |
| Dr | christine | majale | Kenyatta university | Kenya | Environmental Policy and Management | Waste Reduction and Management Award | View Profile |
| Dr | rania | Majdoubi | Mohammed V University | Morocco | Others | Best Paper Award | |
| Assist Prof Dr | Ali | Majeed | University of kufa | Iraq | Materials Science and Engineering | Best Researcher Award | View Profile |
| Prof. Dr | Sonjoy | Majumder | Department of Physics, IIT Kharagpur | India | Environmental Chemistry | Best Researcher Award | |
| Assoc. Prof. Dr | Priyanka | Majumder | Techno College of Engineering Agartala | India | Water and Wastewater Treatment | Best Researcher Award | View Profile |
| Dr | Mehran | Makhsusy | Roudehen Islamic Azad University | Iran | Construction Management | Best Researcher Award | View Profile |