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