| 27 五月 | MapYourGrid (online) | Berlin, Germany |
| 27 五月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 五月 | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 28 五月 | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 28 五月 | Tarde con OpenStreetMap: charla, taller y paseo | Madrid, Community of Madrid, Spain |
| 29 五月 | OSMF Engineering Working Group meeting |
| 29–31 五月 | Mapping Party Széplakon | Siófok, Hungary |
| 30 五月 | Incontro sul free software | Catania, Sicily, Italy |
| 30 五月 | Braunschweiger OSM-Treffen Mappingtour: Zusammen Bad Harzburg mappen | Bad Harzburg (Innenstadt), Lower Saxony, Germany |
| 31 五月 | Mapping Party @ Coimbatore | Coimbatore, Tamil Nadu, India |
| 2 六月 | Cartopartie Bayonne | Bayonne, Nouvelle-Aquitaine, France |
| 2 六月 | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 2 六月 | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 2 六月 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 2 六月 | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 3 六月 | Kvartální pivko Praha | Prague, Czechia |
| 3 六月 | Kvartální OSM pivo | Brno, South Moravian Region, Czechia |
| 3 六月 | OSM Indoor Meetup |
| 3 六月 | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 4 六月 | State of the Map Baltics 2026 | Riga, Latvia |
| 4 六月 | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 5 六月 | OSM Syria Solidarity Mapathon #6 | Damascus, Damascus Governorate, Syria |
| 5 六月 | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Plugins QGIS para OSM | Rio de Janeiro, Rio de Janeiro, Brazil |
| 6 六月 | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 六月 | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8 六月 | OpenStreetMap x Wikidata Taipei #89 | Chengnei, Taipei, Taiwan |
| 9 六月 | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 9 六月 | Hamburger Mappertreffen | Hamburg, Germany |
| 9 六月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 10 六月 | iD Community Chat |
| 11–13 六月 | State of the Map US 2026 | Madison, Wisconsin, United States |
| 11 六月 | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 六月 | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 14 六月 | Come map Koyambedu Market, Chennai with us on June 14th, 2026! | Chennai, Tamil Nadu, India |
| 14 六月 | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 14 六月 | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 六月 | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 16 六月 | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 16 六月 | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16 六月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 16 六月 | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16 六月 | 1er Apéro du groupe local de Strasbourg | Strasbourg, Grand Est, France |
| 16 六月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 17 六月 | 21. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 18 六月 | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 19 六月 | UN 2.0 side event: UN Mappers Mappy Hour |
| 19 六月 | ReMapping Syria 2025: Humanitarian Mapping & Community Collaboration Webinar | Damascus, Damascus Governorate, Syria |
| 19 六月 | UN Mappers Mappy Hour: Progress and Highlights of the UN Maps Community Ambassador Pilot Initiative |
| 19 六月 | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Formulários Web com KoboToolbox | Rio de Janeiro, Rio de Janeiro, Brazil |
| 19 六月 | Missing Maps Mapathon in Stuttgart | Stuttgart, Baden-Württemberg, Germany |
| 20 六月 | Atelier du groupe local de Metz - Partez en voyage avec OpenStreetMap | Metz, Grand Est, France |
| 20 六月 | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South) | Maharashtra, India |
| 21 六月 | Sommermapping 2026 | Fulda, Hesse, Germany |
| 22 六月 | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 22 六月 | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 23 六月 | 2. OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 23 六月 | OSM-Verkehrswende #76 | Berlin, Germany |
| 25 六月 | OSM-Treffen Freiburg im Breisgau | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 26–28 六月 | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26 六月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 六月 | Mapathon @ Casorate Sempione | Casorate Sempione, Lombardy, Italy |
| 29 六月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 30 六月 | East Midlands pub meet-up | Derby, England, United Kingdom |
| 3–4 七月 | State of the Map Colombia (SotMCol) 2026 | Bogota, Bogota, Capital District, Colombia |
| 3 七月 | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Mapas Web com uMap | Rio de Janeiro, Rio de Janeiro, Brazil |
| 7 七月 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 七月 | OSM-Znacht in Bern | Bern, Bern, Switzerland |
| 7 七月 | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 9–11 七月 | FOSS4G IT & OSMit 2026 | Sardagna, Trento, Trentino – Alto Adige/Südtirol, Italy |
| 13 七月 | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 14 七月 | Hamburger Mappertreffen | Hamburg, Germany |
| 14 七月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 七月 | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 21 七月 | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 21 七月 | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21 七月 | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 七月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 七月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29 七月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4 八月 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 4 八月 | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 10 八月 | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 11 八月 | Hamburger Mappertreffen | Hamburg, Germany |
| 11 八月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 16 八月 | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 18 八月 | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 18 八月 | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 八月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 八月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 八月 | East Midlands pub meet-up | Derby, England, United Kingdom |
| 26 八月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26 八月 | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 27 八月 | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28–30 八月 | State of the Map 2026 | Champs-sur-Marne, Ile-de-France, France |
| 28 八月 | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 31 八月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 九月 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 九月 | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 九月 | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 8 九月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 九月 | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 九月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 九月 | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 九月 | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 九月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 22 九月 | East Midlands pub meet-up | Derby, England, United Kingdom |
| 25 九月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 九月 | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 2–4 十月 | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 十月 | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5 十月 | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 十月 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 十月 | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 13 十月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 20 十月 | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 十月 | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 十月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 十月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 十月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 十月 | State of the Map LATAM 2026 in Mexico City | Mexico City, Mexico City, Mexico |
| 27 十月 | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 十月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 十一月 | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 十一月 | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 9 十一月 | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 十一月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 17 十一月 | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 十一月 | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 十一月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 十一月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 十一月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 十二月 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 十二月 | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 十二月 | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 十二月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 十二月 | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 13 十二月 | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15 十二月 | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 十二月 | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 十二月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 十二月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 十二月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 一月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 三月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 31 五月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 七月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 九月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 十一月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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