| Prof | Oļģerts | Nikodemus | University of Latvia | Latvia | Best Soil Research Publication | View Profile |
| Mr | Oliver | Löwe | HAWK Hochschule für angewandte Wissenschaft und Kunst | Germany | Best Researcher Award | View Profile |
| Dr | Omar Badr Mohamed Badr | Awad | Drainage Research Institute, (NWRC) | Egypt | Young Scientist Award | View Profile |
| Dr | Opeyemi | Faronbi | Landmark University | Nigeria | Research Excellence Award | View Profile |
| Prof Dr | Orhan | DENGİZ | Ondokuz Mayis University | Turkey | Excellence in Soil Research | View Profile |
| Assoc. Prof. Dr | OSAMA | ABDALLA ABDELSHAFY MOHAMED | Xinjiang Institute of Ecology and Geography, CAS | Egypt | Outstanding Scientist Award | View Profile |
| Mr | Oussama | Baaloudj | UNIBAS | Algeria | Young Scientist Award | View Profile |
| Assoc. Prof. Dr | Partha Pratim | Chakravorty | Raja Narendra Lal Khan Women's College ( Autonomous) | India | Soil Ecosystem Preservation Award | View Profile |
| Mr | Pascal | Mwenge | Department of Chemical and Metallurgical Engineering, Faculty of Engineering and Technology, Vaal University of Technology | South Africa | Young Scientist Award | View Profile |
| Mr | Pascal | Mwenge | Vaal University of Technology | South Africa | Young Scientist Award | View Profile |
| Mr | Paskari | Odoi | Makerere University | Uganda | Best Researcher Award | View Profile |
| Dr | Patricia | Jaramillo Díaz | Charles Darwin Foundation | Ecuador | Research Excellence Award | View Profile |
| Dr | Pavel | Semkin | V.I. Il'ichev Pacific Oceanological Institute Far Eastern Branch Russian Academy of Sciences | China | Research Excellence Award | View Profile |
| Prof | Pengfei | Wu | Southwest Minzu University | China | Soil Biodiversity Conservation Award | View Profile |
| Assist. Prof. Dr. | Pezhman | Fazeli Dehkordi | Islamic Azad University, Shahrekord Branch | Iran | Best Researcher Award | View Profile |
| Dr | Pitchaiah | Sudalaimuthu | SRM TRP Engineering College | India | Young Scientist Award | View Profile |
| Dr | Prabhin | Sukumaran | Charotar University of Science and Technology | India | Best Researcher Award | View Profile |
| Prof | Pradeep | Rawat | Asian International University | India | Best Researcher Award | View Profile |
| Assist. Prof. Dr. | Pratyush Kumar | Das | Centurion University of Technology and Management | India | Best Researcher Award | View Profile |
| Mr | Precious Muhammed | Emmanuel | MGIG Global Services, Lagos | Nigeria | Best Researcher Award | View Profile |