| Dr | Rigissa | Megalokonomou | Monash University | Australia | Economics, Econometrics and Finance | Education, Migration, Labour Economics | Best Research Award | |
| Mrs | Rihab | Rasheed | Qatar University | Qatar | Environmental Science | Microalgal biotechnology | Best Researcher Award | |
| Dr | Rijia | A | The Gandhigram Rural Institute-Deemed to be university | India | Environmental Science | Microbiology | Women Researcher Award | View Profile |
| Mr | Rik | van Leeuwen | Vrije Universiteit Amsterdam | Netherlands | Mathematics | Anomaly Detection | Best Researcher Award | |
| Dr | Rim | Kharoubi | University of Badji Mokhtar Annaba, Akgeria | Algeria | Environmental Science | Physiology and Environment | Young Scientist Award | |
| Dr | Rinku | Dhankher | International Institute of Veterinary Education & Research | India | Agricultural and Biological Sciences | Agricultural Microbiology | Best Researcher Award | |
| Dr | Rinku | Mukherjee | Indian Institute of Technology Madras | India | Engineering | Fluid Mechanics | Best Researcher Award | |
| Ms | Ripandeep | Kaur | UIPS | India | Pharmacology, Toxicology and Pharmaceutical Science | Pharmaceutics | Best Researcher Award | |
| Mr | Rishabh | Gupta | Jagannath University, Jaipur | India | Pharmacology, Toxicology and Pharmaceutical Science | Nanotechnology | Young Scientist Award | View Profile |
| Dr. | Rishabh | Kaundal | IIT (BHU), Varanasi | India | Chemistry | Natural Product Chemistry | Young Researcher Award | View Profile |
| Mr | Risman | Iye | Universitas Iqra Buru | Indonesia | Arts and Humanities | Literature, Culture, Linguistics | Best Researcher Award | |
| Mrs | Rita | Kumari | IGDTUW | India | Energy | Energy Storage Device (Supercapacitor) | Best Researcher Award | |
| Dr | Rita | Maji | Univrersity of Modena and Reggio Emilia | Italy | Materials Science | First-principles simulation | Young Scientist Award | |
| Dr | Ritambhara | Gond | Uppsala University | Sweden | Chemistry | Energy Storage | Women Researcher Award | View Profile |
| Dr | Ritambhara | Gond | Uppsala University | Sweden | Energy | Sodium ion battery technology | Best Researcher Award | View Profile |
| Assoc Prof Dr | Ritesh | Dash | REVA University, Bengaluru | India | Energy | Machine Learning in RES | Excellence in Research | |
| Dr | Ritesh | Vijay | CSIR National Environmental Engineering Research Institute, Nagpur | India | Environmental Science | Sustainable treatment for wastewater / sewage | Best Researcher Award | |
| Dr | Ritesh | Hemam | Kumbi College, Kumbi, Manipur | India | Materials Science | Thermoluminescence dosimetry (Nanomaterials) | Young Scientist Award | |
| Ms | RITHA | NYIRANDAYISABYE | University of chinese academy of sciences | Rwanda | Engineering | civil engineering and transportation engineering | Young Scientist Award | View Profile |
| Dr | Rithab | Al-Samawi | University of Al-Ameed | Iraq | Biochemistry, Genetics and Molecular Biology | Clinical Biochemistry | Best Researcher Award | |