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