| 1–7 মে | 大理三月民族节 | Dali Town, Dali City, Yunnan, China |
| 2 মে | Mappando si Vinci! - 2 Maggio 2026 | Spicchio-Sovigliana, Vinci, Tuscany, Italy |
| 6 মে | iD Community Chat |
| 6 মে | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 7 মে | PoliMappers Maptedì | Milan, Lombardy, Italy |
| 7 মে | Surveillance mapping with MapRVA | Richmond, Virginia, United States |
| 8 মে | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Editor iD - Parte I | Rio de Janeiro, Rio de Janeiro, Brazil |
| 8 মে | SOSM Association Annual Meeting | Bergdietikon, Aargau, Switzerland |
| 9 মে | OSM Madurai Armchair mapping party | Madurai, Tamil Nadu, India |
| 10 মে | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 10 মে | OSM Delhi Mapping Party No.29 (South Zone) | Delhi, India |
| 11 মে | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 11 মে | 187. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 11 মে | OpenStreetMap x Wikidata Taipei #88 | Chengnei, Taipei, Taiwan |
| 12 মে | 1. OSM Stammtisch Magdeburg | Magdeburg, Saxony-Anhalt, Germany |
| 12 মে | Hamburger Mappertreffen | Hamburg, Germany |
| 12 মে | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 13 মে | Rencontre Mapadour | Bayonne, Nouvelle-Aquitaine, France |
| 13 মে | Pražský mapathon s Lékaři bez hranic v Seznam.cz | Prague, Czechia |
| 13 মে | 2026 Spring End Maptime | Amsterdam, North Holland, Netherlands |
| 13 মে | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14 মে | Mapaton - Marsh |
| 14 মে | Missing Maps mapathon Žilina #22 | Žilina, Region of Žilina, Slovakia |
| 16–17 মে | Mappiamo le Aci | Santa Maria la Scala, Acireale, Sicily, Italy |
| 17 মে | NYC Mapper Picnic | New York, New York, United States |
| 17 মে | Mapping at Mylapore Market, Chennai | Chennai, Tamil Nadu, India |
| 18 মে | Unibo Mapathon OpenStreetMap 2026-05 | Bologna, Emilia-Romagna, Italy |
| 18 মে | Rhein-Neckar OpenstreetMap Treffen | Mannheim, Baden-Württemberg, Germany |
| 19 মে | Webinaire de sensibilisation à OpenStreetMap pour les collectivités |
| 19 মে | Missing Maps London Mid-Month (Without Training) Advanced Mappers [eng] |
| 19 মে | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 19 মে | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 19 মে | 200. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 19 মে | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 20 মে | Online Missing Maps Mapathon ÄRZTE OHNE GRENZEN (AT/DE) |
| 20 মে | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 22 মে | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Editor iD - Parte II | Rio de Janeiro, Rio de Janeiro, Brazil |
| 23 মে | Raccolta dati aree verdi @ Giornata Mondiale della Biodiversità 2026 - Citizen Science Ferrara | Ferrara, Emilia-Romagna, Italy |
| 23 মে | OSM Mumbai Mapping Party No.10 (Trans-Harbour Line - North) | Navi Mumbai, Maharashtra, India |
| 25 মে | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 27 মে | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 2 জুন | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 2 জুন | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 4 জুন | State of the Map Baltics 2026 | Riga, Latvia |
| 5 জুন | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Plugins QGIS para OSM | Rio de Janeiro, Rio de Janeiro, Brazil |
| 6 জুন | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 7 জুন | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 জুন | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8 জুন | OpenStreetMap x Wikidata Taipei #89 | Chengnei, Taipei, Taiwan |
| 9 জুন | Hamburger Mappertreffen | Hamburg, Germany |
| 9 জুন | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 11–13 জুন | State of the Map US 2026 | Madison, Wisconsin, United States |
| 11 জুন | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14 জুন | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 14 জুন | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 জুন | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 16 জুন | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16 জুন | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16 জুন | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 16 জুন | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 17 জুন | 21. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 18 জুন | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 19 জুন | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Formulários Web com KoboToolbox | Rio de Janeiro, Rio de Janeiro, Brazil |
| 19 জুন | Missing Maps Mapathon in Stuttgart | Stuttgart, Baden-Württemberg, Germany |
| 20 জুন | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South) | Maharashtra, India |
| 22 জুন | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 25 জুন | OSM-Treffen Freiburg im Breisgau | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 26–28 জুন | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26 জুন | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 29 জুন | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 3 জুলাই | 🇧🇷 Capacitação OSM 2026 - IVIDES DATA ® - Mapas Web com uMap | Rio de Janeiro, Rio de Janeiro, Brazil |
| 7 জুলাই | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 জুলাই | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 13 জুলাই | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 14 জুলাই | Hamburger Mappertreffen | Hamburg, Germany |
| 14 জুলাই | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 জুলাই | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 21 জুলাই | Missing Maps London Mid-Month (Without Training) Advanced Mappers (Online) [eng] |
| 21 জুলাই | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 জুলাই | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 জুলাই | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29 জুলাই | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4 আগস্ট | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 4 আগস্ট | Missing Maps London Mapathon (with Training) Beginner Friendly (Online) [eng] |
| 10 আগস্ট | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 11 আগস্ট | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 16 আগস্ট | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 18 আগস্ট | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 18 আগস্ট | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 আগস্ট | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 আগস্ট | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 আগস্ট | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 26 আগস্ট | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 আগস্ট | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28–30 আগস্ট | State of the Map 2026 | Champs-sur-Marne, Ile-de-France, France |
| 28 আগস্ট | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 31 আগস্ট | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 1 সেপ্টেম্বর | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 সেপ্টেম্বর | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 সেপ্টেম্বর | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 8 সেপ্টেম্বর | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 15 সেপ্টেম্বর | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 সেপ্টেম্বর | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 সেপ্টেম্বর | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 সেপ্টেম্বর | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 সেপ্টেম্বর | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 সেপ্টেম্বর | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26–27 সেপ্টেম্বর | Karlsruhe Hack Weekend September 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 3 অক্টোবর | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5 অক্টোবর | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 অক্টোবর | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 অক্টোবর | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 13 অক্টোবর | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 20 অক্টোবর | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 20 অক্টোবর | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 20 অক্টোবর | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 অক্টোবর | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 অক্টোবর | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27–29 অক্টোবর | State of the Map LATAM 2026 in Mexico City | Mexico City, Mexico City, Mexico |
| 27 অক্টোবর | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 অক্টোবর | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 নভেম্বর | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 নভেম্বর | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 9 নভেম্বর | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 10 নভেম্বর | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 17 নভেম্বর | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 17 নভেম্বর | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 নভেম্বর | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 17 নভেম্বর | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 নভেম্বর | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 ডিসেম্বর | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 ডিসেম্বর | Missing Maps London Mapathon Beginner Friendly (with Training) (Online) [eng] |
| 7 ডিসেম্বর | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 8 ডিসেম্বর | OSM-Stammtisch Ulm/Neu-Ulm | Neu-Ulm, Bavaria, Germany |
| 9 ডিসেম্বর | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 13 ডিসেম্বর | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15 ডিসেম্বর | Missing Maps London Mid-Month for Advanced Mappers (no training provided) (Online) [eng] |
| 15 ডিসেম্বর | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 ডিসেম্বর | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 ডিসেম্বর | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 ডিসেম্বর | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 25 জানুয়ারি | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 মার্চ | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 31 মে | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 26 জুলাই | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 27 সেপ্টেম্বর | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
| 29 নভেম্বর | Rhein-Neckar OSM Treffen | Heidelberg, Baden-Württemberg, Germany |
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