| 24–25 Oktober | OSM Hackweekend Berlin-Brandenburg 10/2026 | Berlin, Germany |
| 25 Oktober | Mapping meetup in Uppsala | Uppsala, Sweden |
| 25 Oktober | OSM Bangalore Mapping Party | Bengaluru, Karnataka, India |
| 25 Oktober | OSM Delhi NCR Mapping Party No.33 (Noida) | Hazipur, Noida, Uttar Pradesh, India |
| 26 Oktober | a11y-Score: ein OSM-Barrierefreiheitswerkzeug |
| 26 Oktober | CartONG : Mapathons en ligne 2026-2027 |
| 26 Oktober | Formazione Wikimedia Italia - OpenStreetMap: tasking manager | Milan, Lombardy, Italy |
| 26 Oktober | Rencontre Saint-Étienne et sud Loire | Saint-Étienne, Auvergne-Rhône-Alpes, France |
| 26 Oktober | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 26 Oktober | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 Oktober | State of the Map Latam 2026 | Mexico City, Mexico City, Mexico |
| 27 Oktober | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 27 Oktober | Pravidelný Missing Maps CZ-SK online Mapathon |
| 27 Oktober | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 27 Oktober | South Bay Map Night | San Jose, California, United States |
| 27 Oktober | East Midlands pub meet-up | Derby, England, United Kingdom |
| 28 Oktober | Réunion du groupe local de Nancy | Vandœuvre-lès-Nancy, Grand Est, France |
| 28 Oktober | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 28 Oktober | Würzburger OSM-Treffen | Würzburg, Bavaria, Germany |
| 30 Oktober | 20. Mapathon & Mapping Party Rapperswil 2026 | Rapperswil, Rapperswil-Jona, St. Gallen, Switzerland |
| 31 Oktober | Linux Day Pesaro | Pesaro, Marche, Italy |
| 1 November | OSM India - Monthly Online Mapathon | New Delhi, Delhi, India |
| 2 November | Stammtisch | Hanover, Lower Saxony, Germany |
| 3 November | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 3 November | Berner OpenStreetMap-Znacht | Bern, Bern, Switzerland |
| 4 November | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 5 November | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 6–7 November | State of the Map España 2026 (SotMes 2026) | Madrid, Community of Madrid, Spain |
| 6 November | Angers Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 7 November | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 7 November | Mapathon @ Angera | Angera, Lombardy, Italy |
| 8 November | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 9 November | CartONG : Mapathons en ligne 2026-2027 |
| 9 November | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 November | OSM Utah Monthly Map Night | Salt Lake City, Utah, United States |
| 10 November | South Bay Map Night | San Jose, California, United States |
| 10 November | Hamburger Mappertreffen | Hamburg, Germany |
| 10 November | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11 November | iD Community Chat |
| 11 November | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 November | OSM US Mappy Hour: Mapping Route 66 Past & Present |
| 14–15 November | State of the Map Kerala (SoTM Kerala) | Ettumanoor, Kerala, India |
| 14 November | OpenStreetMap Ireland AGM - 2026 | Dublin, Ireland |
| 15 November | OSM Delhi Mapping Party No.34 (South Zone) | New Delhi, Delhi, India |
| 17 November | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 November | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 November | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 November | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 November | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 November | Mott MacDonald GIS Day Mapathon [18/10/2026] | Sunderland, England, United Kingdom |
| 18 November | Pegasus Group Mapathon Charity Day | Manchester, England, United Kingdom |
| 18 November | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 19 November | Pražský GeoWeek mapathon s Lékaři bez hranic | Prague, Czechia |
| 19 November | GeoWeek Luxembourg Mapathon [FR/EN] - Hybrid |
| 19 November | Meetup in Gent | Ghent, East Flanders, Belgium |
| 21 November | Atelier OpenStreetMap Metz | Metz, Grand Est, France |
| 21 November | OSM Suomi 2026 | Espoo, Uusimaa, Finland |
| 22 November | 1. OSM Stammtisch Fulda | Fulda, Hesse, Germany |
| 23 November | CartONG : Mapathons en ligne 2026-2027 |
| 23 November | Mapwyr Cymru: Mapathon Gogledd Cymru #2 🏴 | Llanfairfechan, Wales, United Kingdom |
| 23 November | Listopadový brněnský Missing Maps Mapathon na Ústavu botaniky a zoologie | Brno, South Moravian Region, Czechia |
| 24 November | Pravidelný Missing Maps CZ-SK online Mapathon |
| 24 November | South Bay Map Night | San Jose, California, United States |
| 24 November | East Midlands pub meet-up | Derby, England, United Kingdom |
| 24 November | OSM-Verkehrswende #80 | Berlin, Germany |
| 25 November | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 November | Rhein-Neckar OSM Treffen | Mannheim, Baden-Württemberg, Germany |
| 25 November | OSM-Treffen Freiburg/Brsg. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 1 Desember | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 Desember | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 2 Desember | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 3 Desember | Angers : Rencontre mensuelle OpenStreetMap | Angers, Pays de la Loire, France |
| 3 Desember | Rencontre mensuelle des contributeurs Paris sud | Montrouge, Ile-de-France, France |
| 5 Desember | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 Desember | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 Desember | Hamburger Mappertreffen | Hamburg, Germany |
| 8 Desember | South Bay Map Night | San Jose, California, United States |
| 8 Desember | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 Desember | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 10 Desember | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13 Desember | OSM Delhi Mapping Party No.35 (Outside Delhi) | New Delhi, India |
| 13 Desember | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 14 Desember | CartONG : Mapathons en ligne 2026-2027 |
| 15 Desember | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 Desember | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15 Desember | East Midlands pub meet-up | Derby, England, United Kingdom |
| 15 Desember | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 Desember | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 Desember | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 Desember | Potsdamer Mappertreffen | Potsdam, Brandenburg, Germany |
| 18 Desember | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 22 Desember | South Bay Map Night | San Jose, California, United States |
| 11 Januari | CartONG : Mapathons en ligne 2026-2027 |
| 11 Januari | OpenStreetMap x Wikidata Taipei #96 | Chengnei, Taipei, Taiwan |
| 25 Januari | CartONG : Mapathons en ligne 2026-2027 |
| 25 Januari | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 Januari | OSM-Verkehrswende #81 | Berlin, Germany |
| 29–30 Januari | Mapping USA 2027 |
| 8 Februari | CartONG : Mapathons en ligne 2026-2027 |
| 13–14 Februari | Karlsruhe Hack Weekend February 2027 | Karlsruhe, Baden-Württemberg, Germany |
| 15 Februari | OpenStreetMap x Wikidata Taipei #97 | Chengnei, Taipei, Taiwan |
| 22 Februari | CartONG : Mapathons en ligne 2026-2027 |
| 8 Maret | CartONG : Mapathons en ligne 2026-2027 |
| 8 Maret | OpenStreetMap x Wikidata Taipei #98 | Chengnei, Taipei, Taiwan |
| 22 Maret | CartONG : Mapathons en ligne 2026-2027 |
| 29 Maret | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 12 April | CartONG : Mapathons en ligne 2026-2027 |
| 12 April | OpenStreetMap x Wikidata Taipei #99 | Chengnei, Taipei, Taiwan |
| 26 April | CartONG : Mapathons en ligne 2026-2027 |
| 10 Mei | CartONG : Mapathons en ligne 2026-2027 |
| 10 Mei | OpenStreetMap x Wikidata Taipei #100 | Chengnei, Taipei, Taiwan |
| 24 Mei | CartONG : Mapathons en ligne 2026-2027 |
| 31 Mei | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 14 Juni | CartONG : Mapathons en ligne 2026-2027 |
| 14 Juni | OpenStreetMap x Wikidata Taipei #101 | Chengnei, Taipei, Taiwan |
| 28 Juni | CartONG : Mapathons en ligne 2026-2027 |
| 12 Juli | OpenStreetMap x Wikidata Taipei #102 | Chengnei, Taipei, Taiwan |
| 26 Juli | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 9 Agustus | OpenStreetMap x Wikidata Taipei #103 | Chengnei, Taipei, Taiwan |
| 6 September | OpenStreetMap x Wikidata Taipei #104 | Chengnei, Taipei, Taiwan |
| 27 September | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 4 Oktober | OpenStreetMap x Wikidata Taipei #105 | Chengnei, Taipei, Taiwan |
| 8 November | OpenStreetMap x Wikidata Taipei #106 | Chengnei, Taipei, Taiwan |
| 29 November | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 6 Desember | OpenStreetMap x Wikidata Taipei #107 | Chengnei, Taipei, Taiwan |
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