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