| 18 मे | Unibo Mapathon OpenStreetMap 2026-05 | Bologna, Emilia-Romagna, Italy |
| 18 मे | Rhein-Neckar OpenstreetMap Treffen | Mannheim, Baden-Württemberg, Germany |
| 19 मे | Edinburgh Social | City of Edinburgh, Scotland, United Kingdom |
| 19 मे | Webinaire de sensibilisation à OpenStreetMap pour les collectivités |
| 19 मे | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 19 मे | Missing Maps London In-Person Mapathon | Greater London, England, United Kingdom |
| 19 मे | Missing Maps London Mid-Month (Without Training) Advanced Mappers [eng] |
| 19 मे | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 19 मे | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 19 मे | East Midlands pub meet-up | Derby, England, United Kingdom |
| 19 मे | 200. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 19 मे | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 20 मे | Rencontre des contributeurs de Vienne (38) | Vienne, Auvergne-Rhône-Alpes, France |
| 20 मे | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 20 मे | Online Missing Maps Mapathon ÄRZTE OHNE GRENZEN (AT/DE) |
| 22 मे | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Editor iD - Parte II | Rio de Janeiro, Rio de Janeiro, Brazil |
| 23 मे | Atelier du groupe local de Metz - Cartographions les services publics ! | Metz, Grand Est, France |
| 23 मे | Raccolta dati aree verdi @ Giornata Mondiale della Biodiversità 2026 - Citizen Science Ferrara | Ferrara, Emilia-Romagna, Italy |
| 23 मे | OSM Mumbai Mapping Party No.10 (Trans-Harbour Line - North) | Navi Mumbai, Maharashtra, India |
| 24 मे | Compleanno di Wikipedia a Bologna 2026, con wikigita e mapping party in Bolognina e pranzo alla velostazione | Bologna, Emilia-Romagna, Italy |
| 25 मे | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 26 मे | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 26 मे | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 26 मे | OSM-Verkehrswende #75 | Berlin, Germany |
| 27 मे | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 मे | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 28 मे | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 29 मे | OSMF Engineering Working Group meeting |
| 30 मे | Braunschweiger OSM-Treffen Mappingtour: Zusammen Bad Harzburg mappen | Bad Harzburg (Innenstadt), Lower Saxony, Germany |
| 2 जून | Cartopartie Bayonne | Bayonne, Nouvelle-Aquitaine, France |
| 2 जून | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 2 जून | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 2 जून | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 2 जून | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 3 जून | Kvartální OSM pivo | Brno, South Moravian Region, Czechia |
| 3 जून | OSM Indoor Meetup |
| 4 जून | State of the Map Baltics 2026 | Riga, Latvia |
| 5 जून | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Plugins QGIS para OSM | Rio de Janeiro, Rio de Janeiro, Brazil |
| 6 जून | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 जून | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8 जून | OpenStreetMap x Wikidata Taipei #89 | Chengnei, Taipei, Taiwan |
| 9 जून | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 9 जून | Hamburger Mappertreffen | Hamburg, Germany |
| 9 जून | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11–13 जून | State of the Map US 2026 | Madison, Wisconsin, United States |
| 11 जून | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14 जून | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 14 जून | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 जून | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 16 जून | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 16 जून | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16 जून | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16 जून | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 16 जून | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 17 जून | 21. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 18 जून | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 19 जून | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Formulários Web com KoboToolbox | Rio de Janeiro, Rio de Janeiro, Brazil |
| 19 जून | Missing Maps Mapathon in Stuttgart | Stuttgart, Baden-Württemberg, Germany |
| 20 जून | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South) | Maharashtra, India |
| 22 जून | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 23 जून | 2. OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 23 जून | East Midlands pub meet-up | Derby, England, United Kingdom |
| 23 जून | OSM-Verkehrswende #76 | Berlin, Germany |
| 25 जून | OSM-Treffen Freiburg im Breisgau | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 26–28 जून | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26 जून | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 जून | Mapathon @ Casorate Sempione | Casorate Sempione, Lombardy, Italy |
| 29 जून | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 3–4 जुलै | State of the Map Colombia (SotMCol) 2026 | Bogota, Bogota, Capital District, Colombia |
| 3 जुलै | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Mapas Web com uMap | Rio de Janeiro, Rio de Janeiro, Brazil |
| 7 जुलै | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 जुलै | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 13 जुलै | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 14 जुलै | Hamburger Mappertreffen | Hamburg, Germany |
| 14 जुलै | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 जुलै | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 21 जुलै | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 21 जुलै | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 जुलै | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21 जुलै | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 जुलै | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29 जुलै | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4 ऑगस्ट | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 4 ऑगस्ट | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 10 ऑगस्ट | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 11 ऑगस्ट | Hamburger Mappertreffen | Hamburg, Germany |
| 11 ऑगस्ट | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 16 ऑगस्ट | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 18 ऑगस्ट | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 18 ऑगस्ट | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 ऑगस्ट | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 ऑगस्ट | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 ऑगस्ट | East Midlands pub meet-up | Derby, England, United Kingdom |
| 26 ऑगस्ट | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 26 ऑगस्ट | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 ऑगस्ट | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28–30 ऑगस्ट | State of the Map 2026 | Champs-sur-Marne, Ile-de-France, France |
| 28 ऑगस्ट | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 31 ऑगस्ट | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 सप्टेंबर | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 सप्टेंबर | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 सप्टेंबर | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 8 सप्टेंबर | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 सप्टेंबर | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 सप्टेंबर | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 सप्टेंबर | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 सप्टेंबर | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 सप्टेंबर | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 22 सप्टेंबर | East Midlands pub meet-up | Derby, England, United Kingdom |
| 25 सप्टेंबर | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 सप्टेंबर | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 3 ऑक्टोबर | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5 ऑक्टोबर | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 ऑक्टोबर | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 ऑक्टोबर | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 13 ऑक्टोबर | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 20 ऑक्टोबर | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 ऑक्टोबर | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 ऑक्टोबर | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 ऑक्टोबर | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 ऑक्टोबर | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 ऑक्टोबर | State of the Map LATAM 2026 in Mexico City | Mexico City, Mexico City, Mexico |
| 27 ऑक्टोबर | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 ऑक्टोबर | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 नोव्हेंबर | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 नोव्हेंबर | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 9 नोव्हेंबर | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 नोव्हेंबर | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 17 नोव्हेंबर | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 नोव्हेंबर | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 नोव्हेंबर | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 नोव्हेंबर | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 नोव्हेंबर | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 डिसेंबर | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 डिसेंबर | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 डिसेंबर | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 डिसेंबर | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 डिसेंबर | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 13 डिसेंबर | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15 डिसेंबर | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 डिसेंबर | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 डिसेंबर | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 डिसेंबर | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 डिसेंबर | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 जानेवारी | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 मार्च | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 31 मे | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 जुलै | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 सप्टेंबर | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 नोव्हेंबर | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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