| 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 | Poster social 08.e) Tectonic Systems - TSK Open Session Poster social 08.e) Tectonic Systems - TSK Open Session Presenter |
| Regelous, Marcel | Poster social Poster social |
| Reich, Matthias | 04.b) Deep Geothermal Energy of hydrothermal fault related and petrothermal systems: from geoscientific subsurface data to drilling engineering Session Chair |
| Reiche, Sönke | Poster social |
| Reimer, Wolfgang | 03.g) Advances in pegmatite exploration Presenter 03.g) Advances in pegmatite exploration Session Chair 03.e) Mineralische Baurohstoffe – in Forschung und Inwertsetzung Session Chair |
| Reinhardt, Falk | Poster social 10.a) Recent Developments of Geoanalytical Methods |
| 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 |
| Rempe, Marieke | 05.a) Host rock characterization and long-term safety of deep geological repositories for high-level radioactive waste Session Chair |
| Renema, Willem | Poster social |
| Renno, Axel D. | Poster social Presenter 10.a) Recent Developments of Geoanalytical Methods Session Chair E 7: Old Mines and new exploration Session Chair |
| Repstock, Alexander | Poster social 08.a) Magmatism, volcanism, and related processes Poster social 07.b) Palaeoenvironmental analysis from proxies |
| Repstock, Alexander | 02.a) Stratigraphy – dissecting geological time |
| Repstock, Alexander | Poster social Poster social Presenter Poster social 08.a) Magmatism, volcanism, and related processes Presenter 08.a) Magmatism, volcanism, and related processes 08.a) Magmatism, volcanism, and related processes Session Chair |
| Reuning, Lars | 07.b) Palaeoenvironmental analysis from proxies Poster social |
| Rich, Thomas | 08.d) Supercontinents through space and time Poster social |
| Richter-Krautz, Jana | 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 |
| Rickli, Jörg | 03.a) Mineral Exploration, Economic and Ore Deposit Geology |
| 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 |
| Rohrmüller, Johann | Poster social 08.a) Magmatism, volcanism, and related processes Presenter |
| Rojo-Pérez, Esther | 08.d) Supercontinents through space and time Presenter Poster social Presenter |
| Rolland, Yann | Poster social 06.b) Isotopes in geosciences: Geochronology and provenance |
| Roos, Aappo | 10.a) Recent Developments of Geoanalytical Methods |
| Rossi, Valentina | 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 |
| Röckel, Luisa | 05.a) Host rock characterization and long-term safety of deep geological repositories for high-level radioactive waste |
| Röhl, Ursula | Poster social |
| Röhlig, Klaus-Jurgen | Poster social |
| Röhling, Simone | 04.a) Geothermal Resources – from Play Analysis to Case Studies |
| Röper, Tobias | 08.a) Magmatism, volcanism, and related processes |
| Rösel, Delia | Poster social Poster social Presenter 06.b) Isotopes in geosciences: Geochronology and provenance Presenter |
| Rößler, Ronny | 06.b) Isotopes in geosciences: Geochronology and provenance 07.b) Palaeoenvironmental analysis from proxies 02.a) Stratigraphy – dissecting geological time |
| Rütters, Sophia | Poster social Presenter 10.a) Recent Developments of Geoanalytical Methods |