| 1–5 十月 | Mapathon Pre-event SotM Kerala 2026 | Ettumanoor, Kerala, India |
| 2–4 十月 | Hackathon Wikimedia & OSM | Messina, Sicily, Italy |
| 2–4 十月 | FOSSGIS-OSM-Communitytreffen Nr. 26 im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 十月 | OSM Mapping | Laillé, Brittany, France |
| 3 十月 | GeoCamp 2026 | Langreo, Asturias, Spain |
| 3 十月 | OSM India - Monthly Online Mapathon | New Delhi, Delhi, India |
| 3 十月 | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 4 十月 | Chennai GLUG Velachery OSM Mapping | Chennai, Tamil Nadu, India |
| 5 十月 | Voetbal en kaarten – kinderen ontdekken OpenStreetMap en dragen eraan bij | Ixelles - Elsene, Belgium |
| 5 十月 | TNEI Mapathon 2026 |
| 5 十月 | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6–9 十月 | Open Transport Community Conference 2026 | Bern, Bern, Switzerland |
| 6 十月 | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 6 十月 | OSM Sheffield - Monthly Social | Sheffield, England, United Kingdom |
| 6 十月 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 十月 | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 6 十月 | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 十月 | iD Community Chat |
| 7–8 十月 | Everywhere She Maps workshop 2026 | Akosua Village, Central Region, Ghana |
| 7 十月 | PoliMappers Maptedì | Milan, Lombardy, Italy |
| 7 十月 | Missing Maps mapathon Žilina #24 | Žilina, Region of Žilina, Slovakia |
| 7 十月 | Carto party OpenStreetMap Café Crypté Liège | Liège, Liège, Belgium |
| 7 十月 | Junta d'OpenStreetMap Català | Barcelona, Catalonia, Spain |
| 7 十月 | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 7 十月 | 🗺️ Rencontre mensuelle du groupe local bordelais sur jitsi |
| 8 十月 | Missing Maps Mapathon (Beginner) - Bangkok, Thailand | Bangkok, Thailand |
| 8 十月 | Brussels meetup - byebye Thierry & Joost | Brussels, Belgium |
| 8 十月 | OSM-Treffen Bochum | Bochum, North Rhine-Westphalia, Germany |
| 9 十月 | 220. OSM-Stammtisch Berlin-Brandenburg | Berlin, Germany |
| 9 十月 | OSM-Znacht in Bern | Bern, Bern, Switzerland |
| 10 十月 | Modifichiamo Wiki e OSM insieme! - Catania | Catania, Sicily, Italy |
| 10 十月 | OpenStreetMap, des cartes à la carte ! | Angers, Pays de la Loire, France |
| 11 十月 | Salgótarján Mapping Party 2026-10-11 | Salgótarján, Great Plain and North, Hungary |
| 11 十月 | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 11 十月 | OpenStreetMap, des cartes à la carte ! | Angers, Pays de la Loire, France |
| 12 十月 | Panoramax Nederland - Online Community Meeting #1 |
| 12 十月 | CartONG : Mapathons en ligne 2026-2027 |
| 12 十月 | 2026 Autumn Maptime | Amsterdam, North Holland, Netherlands |
| 13 十月 | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 十月 | Hamburger Mappertreffen | Hamburg, Germany |
| 13 十月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 14 十月 | 🏴 North Wales Mapathon Gogledd Cymru 🏴 | Bethesda, Wales, United Kingdom |
| 14 十月 | Assemblea d'OpenStreetMap Català | Barcelona, Catalonia, Spain |
| 15 十月 | FOSS4G Belgium | Brussels, Belgium |
| 16 十月 | OSMF Engineering Working Group meeting |
| 17 十月 | Encuentro OSM Argentina 2026 | Pergamino, Buenos Aires, Argentina |
| 17 十月 | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 18 十月 | OSM Delhi NCR Mapping Party No.33 (Noida) | Hazipur, Noida, Uttar Pradesh, India |
| 20 十月 | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 十月 | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 20 十月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 十月 | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 十月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 十月 | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 21 十月 | OSM US Mappy Hour: Mapping Accessible Trails |
| 24–25 十月 | OSM Hackweekend Berlin-Brandenburg 10/2026 | Berlin, Germany |
| 25 十月 | Mapping meetup in Uppsala | Uppsala, Sweden |
| 26 十月 | CartONG : Mapathons en ligne 2026-2027 |
| 26 十月 | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 26 十月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 十月 | State of the Map Latam 2026 | Mexico City, Mexico City, Mexico |
| 27 十月 | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 27 十月 | East Midlands pub meet-up | Derby, England, United Kingdom |
| 28 十月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 28 十月 | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 29 十月 | Pravidelný Missing Maps CZ-SK online Mapathon |
| 30 十月 | 20. Mapathon & Mapping Party Rapperswil 2026 | Rapperswil, Rapperswil-Jona, St. Gallen, Switzerland |
| 31 十月 | Linux Day 2026 in Pesaro | Pesaro, Marche, Italy |
| 2 十一月 | Stammtisch | Hanover, Lower Saxony, Germany |
| 3 十一月 | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 5 十一月 | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 6 十一月 | Angers Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 7 十一月 | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 7 十一月 | Mapathon @ Angera | Angera, Lombardy, Italy |
| 7 十一月 | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 十一月 | OSM Delhi Mapping Party No.34 (South Zone) | New Delhi, India |
| 9 十一月 | CartONG : Mapathons en ligne 2026-2027 |
| 9 十一月 | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 十一月 | Hamburger Mappertreffen | Hamburg, Germany |
| 10 十一月 | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11 十一月 | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14–15 十一月 | State of the Map Kerala | Ettumanoor, Kerala, India |
| 17 十一月 | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 十一月 | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 十一月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 十一月 | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 十一月 | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 19 十一月 | GeoWeek Luxembourg Mapathon [FR/EN] - Hybrid |
| 21 十一月 | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 22 十一月 | 1. OSM Stammtisch Fulda | Fulda, Hesse, Germany |
| 23 十一月 | CartONG : Mapathons en ligne 2026-2027 |
| 24 十一月 | OSM-Verkehrswende #80 | Berlin, Germany |
| 25 十一月 | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 十一月 | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 26 十一月 | Pravidelný Missing Maps CZ-SK online Mapathon |
| 1 十二月 | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 十二月 | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 3 十二月 | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 3 十二月 | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 5 十二月 | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 十二月 | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 十二月 | Hamburger Mappertreffen | Hamburg, Germany |
| 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 |
| 10 十二月 | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 十二月 | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 十二月 | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 14 十二月 | CartONG : Mapathons en ligne 2026-2027 |
| 15 十二月 | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 十二月 | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15 十二月 | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 十二月 | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, 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 |
| 11 一月 | CartONG : Mapathons en ligne 2026-2027 |
| 25 一月 | CartONG : Mapathons en ligne 2026-2027 |
| 25 一月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 一月 | OSM-Verkehrswende #81 | Berlin, Germany |
| 8 二月 | CartONG : Mapathons en ligne 2026-2027 |
| 22 二月 | CartONG : Mapathons en ligne 2026-2027 |
| 8 三月 | CartONG : Mapathons en ligne 2026-2027 |
| 22 三月 | CartONG : Mapathons en ligne 2026-2027 |
| 29 三月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 12 四月 | CartONG : Mapathons en ligne 2026-2027 |
| 26 四月 | CartONG : Mapathons en ligne 2026-2027 |
| 10 五月 | CartONG : Mapathons en ligne 2026-2027 |
| 24 五月 | CartONG : Mapathons en ligne 2026-2027 |
| 31 五月 | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 14 六月 | CartONG : Mapathons en ligne 2026-2027 |
| 28 六月 | CartONG : Mapathons en ligne 2026-2027 |
| 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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