| Ramirez, Angel | Poster social Presenter |
| Rammlmair, Dieter | Poster social Presenter 10.a) Recent Developments of Geoanalytical Methods |
| Ramos, Catalina | 14.c) Data Meets Earth: AI-Driven Innovations in Geoscience Presenter |
| Ramos, Esteban | 03.c) Biohydrometallurgy for Biomining, Metal recycling and Bioremediation |
| Ratschbacher, Lothar | 08.e) Tectonic Systems - TSK Open Session Poster social 08.e) Tectonic Systems - TSK Open Session Presenter Poster social |
| Regelous, Marcel | Poster social Poster social |
| Reiche, Sönke | Poster social |
| Reimer, Wolfgang | 03.g) Advances in pegmatite exploration Presenter |
| Reinhardt, Falk | 10.a) Recent Developments of Geoanalytical Methods Poster social |
| Reinhardt, Tom | 04.a) Geothermal Resources – from Play Analysis to Case Studies Presenter |
| Reiter, Karsten | 05.a) Host rock characterization and long-term safety of deep geological repositories for high-level radioactive waste |
| Renema, Willem | Poster social |
| Renno, Axel D. | Poster social Presenter |
| Repstock, Alexander | 02.a) Stratigraphy – dissecting geological time |
| Repstock, Alexander | 07.b) Palaeoenvironmental analysis from proxies 08.a) Magmatism, volcanism, and related processes Presenter 08.a) Magmatism, volcanism, and related processes 08.a) Magmatism, volcanism, and related processes Poster social Poster social Poster social Presenter Poster social Poster social |
| Reuning, Lars | 07.b) Palaeoenvironmental analysis from proxies Poster social |
| Rich, Thomas | 08.d) Supercontinents through space and time Poster social |
| Richter, Heike | 03.f) Exploration of Evaporites and their importance for Resources |
| Richter, Philipp | 06.b) Isotopes in geosciences: Geochronology and provenance Presenter |
| Richter-Krautz, Jana | Poster social |
| Rickli, Jörg | 03.a) Mineral Exploration, Economic and Ore Deposit Geology |
| Röckel, Luisa | 05.a) Host rock characterization and long-term safety of deep geological repositories for high-level radioactive waste |
| Roden, Vanessa | 13.b) Geoscience Education Research - What do we Know About Learning and Teaching geosciences? |
| Roettig, Christopher-B. | 07.b) Palaeoenvironmental analysis from proxies Presenter |
| Röhl, Ursula | Poster social |
| Röhlig, Klaus-Jurgen | Poster social |
| Röhling, Simone | 04.a) Geothermal Resources – from Play Analysis to Case Studies |
| Rohrmüller, Johann | 08.a) Magmatism, volcanism, and related processes Presenter Poster social |
| Rojo-Pérez, Esther | 08.d) Supercontinents through space and time Presenter Poster social Presenter |
| Rolland, Yann | 06.b) Isotopes in geosciences: Geochronology and provenance Poster social |
| Roos, Aappo | 10.a) Recent Developments of Geoanalytical Methods |
| Röper, Tobias | 08.a) Magmatism, volcanism, and related processes |
| Rösel, Delia | 06.b) Isotopes in geosciences: Geochronology and provenance Presenter Poster social Poster social Presenter |
| Rossi, Valentina | 07.b) Palaeoenvironmental analysis from proxies |
| Rößler, Ronny | 02.a) Stratigraphy – dissecting geological time 06.b) Isotopes in geosciences: Geochronology and provenance 07.b) Palaeoenvironmental analysis from proxies |
| Rothe, Frank | Poster social |
| Rubio Pascual, Francisco Javier | 15.a) Young Scientist Session |
| Ruch, Joël | 08.a) Magmatism, volcanism, and related processes |
| Rudolph, Martin | 03.c) Biohydrometallurgy for Biomining, Metal recycling and Bioremediation |
| Rufer, Daniel | 05.a) Host rock characterization and long-term safety of deep geological repositories for high-level radioactive waste |
| Rumpe, Bernhard | 01.b) 3D Geological Modeling: Technical Advancements and Regional Geological Insights |
| Rütters, Sophia | 10.a) Recent Developments of Geoanalytical Methods Poster social Presenter |