| 17–18 jaanuar | Compleanno di Wikipedia 25 a Palermo | Palermo, Sicily, Italy |
| 18 jaanuar | Mapping Party @ Surathkal | Mukka, Karnataka, India |
| 18 jaanuar | Nieuwjaarsborrel OSGeo.nl, QGISNL, OSM NL | Utrecht, Utrecht, Netherlands |
| 19 jaanuar | TCAT's Mappy New Year 2026 | Tacoma, Washington, United States |
| 20 jaanuar | UN Mappers: OpenStreetMap Beginner Training using iD editor |
| 20 jaanuar | East Midlands pub meet-up | Derby, England, United Kingdom |
| 20 jaanuar | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 20 jaanuar | OpenStreetMap Belgium — Arlon / Ardenne belge / Gaume — Social | Aubange, Luxembourg, Belgium |
| 20 jaanuar | Mappy Hour OSM España | Madrid, Community of Madrid, Spain |
| 20 jaanuar | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 20 jaanuar | 196. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 jaanuar | East Midlands pub meet-up | Derby, England, United Kingdom |
| 20 jaanuar | Edinburgh Social | City of Edinburgh, Scotland, United Kingdom |
| 20 jaanuar | OpenStreetMap Belgium — Arlon / Ardenne belge / Gaume — Meeting | Aubange, Luxembourg, Belgium |
| 20 jaanuar | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 jaanuar | Réunion du groupe local de Vienne | Saint-Romain-en-Gal, Auvergne-Rhône-Alpes, France |
| 21 jaanuar | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 22 jaanuar | Cartopartie - tournée Tous EGO | Quimper, Brittany, France |
| 22 jaanuar | Rhein-Neckar OpenstreetMap Treffen | Mannheim, Baden-Württemberg, Germany |
| 23 jaanuar | UN Mappers: OpenStreetMap Beginner Training using JOSM |
| 23 jaanuar | OSMF Engineering Working Group meeting |
| 24 jaanuar | State of the Map India 2026 | Nashik, Maharashtra, India |
| 26 jaanuar | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 26 jaanuar | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 27 jaanuar | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 27 jaanuar | OSM-Verkehrswende #71 | Berlin, Germany |
| 28 jaanuar | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 29 jaanuar | 2026 Kickoff Meetup – Mapping, Fireside Chats, Show & Tell, and More! | Amsterdam, North Holland, Netherlands |
| 30–31 jaanuar | Mapping USA 2026 |
| 30 jaanuar | OpenStreetMap meetup in Gent | Ghent, East Flanders, Belgium |
| 31 jaanuar | Compleanno di Wikipedia e mapping party ad Aosta @ Fiera di Sant'Orso | Arpuilles, Aosta, Aosta Valley, Italy |
| 31 jaanuar | OSM Mumbai Mapping Party No.6 (Mumbai City) | Mumbai, Maharashtra, India |
| 1 veebruar | OSM India - Monthly Online Mapathon | New Delhi, India |
| 3 veebruar | EPN d'Arlon - OpenStreetMap - Découverte | Arlon, Luxembourg, Belgium |
| 3 veebruar | Missing Maps London: (Online) Mapathon [eng] |
| 3 veebruar | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 4 veebruar | iD Community Chat |
| 4 veebruar | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 5 veebruar | Réunion des contributeurs de Montrouge et du Sud de Paris | Montrouge, Ile-de-France, France |
| 5 veebruar | OSM-Treffen Freiburg/Brsg. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 7 veebruar | Braunschweiger Mappertreffen im Stratum0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 8 veebruar | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 8 veebruar | Mapping Party @ Chennai | Chennai, Tamil Nadu, India |
| 9 veebruar | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 9 veebruar | OpenStreetMap x Wikidata Taipei #85 | Chengnei, Taipei, Taiwan |
| 10 veebruar | EPN d'Arlon - OpenStreetMap - Utilisation | Arlon, Luxembourg, Belgium |
| 10 veebruar | Hamburger Mappertreffen | Hamburg, Germany |
| 11 veebruar | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 veebruar | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 13 veebruar | UN Mappers: Validation Training |
| 15 veebruar | ILUGD Meetup × OSM Delhi Mapping Party No.26 (North Zone) | Delhi, India |
| 17 veebruar | EPN d'Arlon - OpenStreetMap - Contribution | Arlon, Luxembourg, Belgium |
| 17 veebruar | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17 veebruar | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 veebruar | 197. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 veebruar | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21–22 veebruar | Karlsruhe Hack Weekend February 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 21 veebruar | OSM Mumbai Mapping Party No.7 (Western Line - South) | Mumbai, Maharashtra, India |
| 23 veebruar | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 25 veebruar | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 märts | OSM India - Monthly Online Mapathon | New Delhi, India |
| 3 märts | Missing Maps London: (Online) Mapathon [eng] |
| 8 märts | OSM Delhi Mapping Party No.27 (East Zone) | Delhi, India |
| 9 märts | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 10 märts | Hamburger Mappertreffen | Hamburg, Germany |
| 12 märts | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 16 märts | OpenStreetMap x Wikidata Taipei #86 | Chengnei, Taipei, Taiwan |
| 17 märts | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17 märts | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 märts | 198. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 märts | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 märts | OSM Mumbai Mapping Party No.8 (Western Line - North) | Vasai-Virar, Maharashtra, India |
| 23 märts | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 24 märts | Rencontre OpenStreetMap et Territoires | Plouzané, Brittany, France |
| 24–27 märts | FOSSGIS-Konferenz 2026 | Göttingen, Lower Saxony, Germany |
| 27 märts | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 28–29 märts | Chemnitzer Linux-Tage 2026 | Chemnitz, Saxony, Germany |
| 28 märts | FOSSGIS 2026 - OSM-Samstag | Göttingen, Lower Saxony, Germany |
| 5 aprill | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 aprill | Missing Maps London: (Online) Mapathon [eng] |
| 8 aprill | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 12 aprill | OSM Delhi Mapping Party No.28 (Meerut) | Meerut, Uttar Pradesh, India |
| 13 aprill | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 13 aprill | OpenStreetMap x Wikidata Taipei #87 | Chengnei, Taipei, Taiwan |
| 14 aprill | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 18 aprill | OSM Mumbai Mapping Party No.9 (Central Line) | Mumbai, Maharashtra, India |
| 21 aprill | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 21 aprill | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 21 aprill | 199. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 aprill | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 27 aprill | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 28 aprill | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 29 aprill | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 30 aprill–3 mai | FOSSGIS-OSM-Communitytreffen im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 mai | OSM India - Monthly Online Mapathon | New Delhi, India |
| 5 mai | Missing Maps London: (Online) Mapathon [eng] |
| 10 mai | OSM Delhi Mapping Party No.29 (South Zone) | Delhi, India |
| 11 mai | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 11 mai | OpenStreetMap x Wikidata Taipei #88 | Chengnei, Taipei, Taiwan |
| 13 mai | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 16 mai | OSM Mumbai Mapping Party No.10 (Trans-Harbour Line - North) | Navi Mumbai, Maharashtra, India |
| 19 mai | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 19 mai | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 19 mai | 200. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 19 mai | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 mai | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 27 mai | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 2 juuni | Missing Maps London: (Online) Mapathon [eng] |
| 7 juuni | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 juuni | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8 juuni | OpenStreetMap x Wikidata Taipei #89 | Chengnei, Taipei, Taiwan |
| 11 juuni | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14 juuni | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 juuni | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 16 juuni | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16 juuni | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16 juuni | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 juuni | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 20 juuni | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South) | Maharashtra, India |
| 22 juuni | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 26–28 juuni | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26 juuni | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 7 juuli | Missing Maps London: (Online) Mapathon [eng] |
| 13 juuli | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 21 juuli | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 21 juuli | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 juuli | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29 juuli | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4 august | Missing Maps London: (Online) Mapathon [eng] |
| 10 august | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 18 august | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 18 august | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 august | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 august | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27 august | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28 august | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 1 september | Missing Maps London: (Online) Mapathon [eng] |
| 7 september | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 15 september | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 15 september | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 september | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 september | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 oktoober | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5 oktoober | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 oktoober | Missing Maps London: (Online) Mapathon [eng] |
| 20 oktoober | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 20 oktoober | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 oktoober | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 28 oktoober | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 november | Missing Maps London: (Online) Mapathon [eng] |
| 9 november | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 17 november | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17 november | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 november | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 november | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1 detsember | Missing Maps London: (Online) Mapathon [eng] |
| 7 detsember | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 13 detsember | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15 detsember | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 15 detsember | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 detsember | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 detsember | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
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