| 7 এপ্রিল | Mapatón humanitario | Zaragoza, Aragon, Spain |
| 7 এপ্রিল | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 এপ্রিল | Shockoe Hill Cemetery mapping with MapRVA | Richmond, Virginia, United States |
| 7 এপ্রিল | Missing Maps London: (Online) Mapathon [eng] |
| 7 এপ্রিল | Easter 2026 Map n Chat | Dublin, Ireland |
| 8 এপ্রিল | iD Community Chat |
| 8 এপ্রিল | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 9 এপ্রিল | OSM-Vår-pils | Oslo, Norway |
| 9 এপ্রিল | A Synesthete's Atlas: Cartographic Improvisations between Eric Theise, Kenneth Cornell, and Clifford Grindstaff | Albuquerque, New Mexico, United States |
| 10 এপ্রিল | 214. OSM-Stammtisch Berlin-Brandenburg | Berlin, Germany |
| 10 এপ্রিল | 186. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 10 এপ্রিল | MSF-CARTONG: Nuit de la Géographie | Paris, Ile-de-France, France |
| 11–12 এপ্রিল | OSM Hackweekend Berlin-Brandenburg 04/2026 | Berlin, Germany |
| 11 এপ্রিল | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 12 এপ্রিল | Editathon e mapathon alla Milano Marathon 2026 | Milan, Lombardy, Italy |
| 12 এপ্রিল | Social Mapping Sunday: Armadale Train Station | Armadale, Western Australia, Australia |
| 12 এপ্রিল | Camera's in kaart brengen | Antwerp, Antwerp, Belgium |
| 12 এপ্রিল | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 12 এপ্রিল | OSM Delhi Mapping Party No.28 (Meerut) | Meerut, Uttar Pradesh, India |
| 13 এপ্রিল | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 13 এপ্রিল | OpenStreetMap x Wikidata Taipei #87 | Chengnei, Taipei, Taiwan |
| 14 এপ্রিল | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 15 এপ্রিল | Une cartopartie dédiée à la mobilité durable dans les Montagnes Béarnaises | Oloron-Sainte-Marie, Nouvelle-Aquitaine, France |
| 15 এপ্রিল | Cartopartie à Oloron-Sainte-Marie - Projet SYSTOUR | Oloron-Sainte-Marie, Nouvelle-Aquitaine, France |
| 15 এপ্রিল | Rencontre des contributeurs de Vienne (38) | Vienne, Auvergne-Rhône-Alpes, France |
| 15 এপ্রিল | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 15 এপ্রিল | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 16 এপ্রিল | OSM-Treffen Freiburg/Brsg. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 18 এপ্রিল | Mapping Day ad Empoli | Avane, Empoli, Tuscany, Italy |
| 18 এপ্রিল | OSM-TR Meet-Up - OSM League Pit-Stop | Kadıköy, Turkey |
| 19 এপ্রিল | Mapping Party @ Chennai | Chennai, Tamil Nadu, India |
| 21 এপ্রিল | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 21 এপ্রিল | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 21 এপ্রিল | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21 এপ্রিল | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 এপ্রিল | 199. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 এপ্রিল | London pub meet-up | City of London, England, United Kingdom |
| 21 এপ্রিল | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 23 এপ্রিল | Capital One TPM Summit Global Mapathon | Richmond, Virginia, United States |
| 23 এপ্রিল | Missing Maps mapathon Bratislava #13 | Bratislava, Region of Bratislava, Slovakia |
| 23 এপ্রিল | MapRVA Virtual Map & Yap with LaToya Gray-Sparks, VA DHR | Richmond, Virginia, United States |
| 23 এপ্রিল | Modifichiamo Wiki e OSM insieme! | Catania, Sicily, Italy |
| 24 এপ্রিল | 18. Mapathon & Mapping Party Rapperswil 2026 | Rapperswil, Rapperswil-Jona, St. Gallen, Switzerland |
| 25 এপ্রিল | Hamburger Mapping-Spaziergang (in Pinneberg) | Pinneberg, Schleswig-Holstein, Germany |
| 25 এপ্রিল | OSM Mumbai Mapping Party No.9 (Central Line) | Mumbai, Maharashtra, India |
| 27 এপ্রিল | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 27 এপ্রিল | Dubnový Missing Maps mapathon na Ústavu botaniky a zoologie | Brno, South Moravian Region, Czechia |
| 28 এপ্রিল | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 28 এপ্রিল | 78. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 এপ্রিল | OSM-Verkehrswende #72 | Berlin, Germany |
| 29 এপ্রিল | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 29 এপ্রিল | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 30 এপ্রিল–3 মে | FOSSGIS-OSM-Communitytreffen im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 1 মে | MA1PING | Stuttgart, Baden-Württemberg, Germany |
| 2 মে | Mappando si Vinci! - 2 Maggio 2026 | Spicchio-Sovigliana, Vinci, Tuscany, Italy |
| 2 মে | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 3 মে | OSM India - Monthly Online Mapathon | New Delhi, India |
| 5 মে | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 5 মে | Missing Maps London: (Online) Mapathon [eng] |
| 6 মে | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 7 মে | Surveillance mapping with MapRVA | Richmond, Virginia, United States |
| 8 মে | SOSM Association Annual Meeting | Bergdietikon, Aargau, Switzerland |
| 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 | OpenStreetMap x Wikidata Taipei #88 | Chengnei, Taipei, Taiwan |
| 13 মে | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 16 মে | OSM Mumbai Mapping Party No.10 (Trans-Harbour Line - North) | Navi Mumbai, Maharashtra, India |
| 19 মে | Missing Maps London: (Online) Mid-Month Mapathon [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 |
| 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: (Online) Mapathon [eng] |
| 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 |
| 11–13 জুন | State of the Map US 2026 | Madison, Wisconsin, United States |
| 11 জুন | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14 জুন | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 জুন | Missing Maps London: (Online) Mid-Month Mapathon [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 | 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] |
| 26–28 জুন | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26 জুন | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 7 জুলাই | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 জুলাই | Missing Maps London: (Online) Mapathon [eng] |
| 13 জুলাই | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 15 জুলাই | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 21 জুলাই | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 21 জুলাই | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 21 জুলাই | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, 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: (Online) Mapathon [eng] |
| 10 আগস্ট | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 16 আগস্ট | Kartenwerkstatt Oschatz | Oschatz, Saxony, Germany |
| 18 আগস্ট | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 18 আগস্ট | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 18 আগস্ট | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 আগস্ট | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 আগস্ট | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26 আগস্ট | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 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 |
| 1 সেপ্টেম্বর | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 সেপ্টেম্বর | Missing Maps London: (Online) Mapathon [eng] |
| 7 সেপ্টেম্বর | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 15 সেপ্টেম্বর | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 15 সেপ্টেম্বর | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 সেপ্টেম্বর | OSM-Stammtisch Chemnitz | Chemnitz, Saxony, Germany |
| 15 সেপ্টেম্বর | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15 সেপ্টেম্বর | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 সেপ্টেম্বর | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, 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: (Online) Mapathon [eng] |
| 20 অক্টোবর | Missing Maps London: (Online) Mid-Month Mapathon [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 |
| 27–29 অক্টোবর | State of the Map LATAM 2026 | 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: (Online) Mapathon [eng] |
| 7 নভেম্বর | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 9 নভেম্বর | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 17 নভেম্বর | Missing Maps London: (Online) Mid-Month Mapathon [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: (Online) Mapathon [eng] |
| 7 ডিসেম্বর | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 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: (Online) Mid-Month Mapathon [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 |
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