| 21 detsember | Jahresabschlussmapping | Fulda, Hesse, Germany |
| 22 detsember | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 22 detsember | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 27–30 detsember | OSM@39c3 | Hamburg, Germany |
| 27 detsember | 11th OpenStreetMap West Bengal Mapping Party | Siliguri, West Bengal, India |
| 27 detsember | OpenStreetMap Belgium at the MAP-Mercator museum | Sint-Niklaas, East Flanders, Belgium |
| 28 detsember | OSM India×TomTom Online Mapathon | New Delhi, India |
| 3 jaanuar | OpenStreetMap Belgium at the MAP-Mercator museum | Sint-Niklaas, East Flanders, Belgium |
| 3 jaanuar | Braunschweiger Mappertreffen im Stratum0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 4 jaanuar | OSM India - Monthly Online Mapathon | New Delhi, India |
| 6 jaanuar | Missing Maps London: (Online) Mapathon [eng] |
| 7 jaanuar | iD Community Chat |
| 7 jaanuar | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 8 jaanuar | OSM-Stammisch Dresden | Dresden, Saxony, Germany |
| 8 jaanuar | OpenStreetMap Midwest Meetup | Ohio, United States |
| 8 jaanuar | OSM-Treffen in Bochum | Bochum, North Rhine-Westphalia, Germany |
| 9 jaanuar | OSMF Engineering Working Group meeting |
| 9 jaanuar | Erstes Online-Treffen der OSM-Mapper:innen im Sauerland | Bad Fredeburg, Schmallenberg, North Rhine-Westphalia, Germany |
| 11 jaanuar | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 12 jaanuar | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 12 jaanuar | OpenStreetMap x Wikidata Taipei #84 | Chengnei, Taipei, Taiwan |
| 17 jaanuar | OSM Mumbai Mapping Party No.6 (Mumbai City) | Mumbai, Maharashtra, India |
| 20 jaanuar | East Midlands pub meet-up | Derby, England, United Kingdom |
| 20 jaanuar | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 20 jaanuar | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 20 jaanuar | East Midlands pub meet-up | Derby, England, United Kingdom |
| 24 jaanuar | State of the Map India 2026 | Nashik, Maharashtra, India |
| 26 jaanuar | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 27 jaanuar | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 27 jaanuar | OSM-Verkehrswende #71 | Berlin, Germany |
| 30–31 jaanuar | Mapping USA 2026 |
| 1 veebruar | OSM India - Monthly Online Mapathon | New Delhi, India |
| 3 veebruar | Missing Maps London: (Online) Mapathon [eng] |
| 5 veebruar | OSM-Treffen Freiburg/Brsg. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 7 veebruar | Braunschweiger Mappertreffen im Stratum0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 9 veebruar | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 9 veebruar | OpenStreetMap x Wikidata Taipei #85 | Chengnei, Taipei, Taiwan |
| 11 veebruar | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 17 veebruar | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17 veebruar | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 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] |
| 1 märts | OSM India - Monthly Online Mapathon | New Delhi, India |
| 3 märts | Missing Maps London: (Online) Mapathon [eng] |
| 9 märts | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 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 |
| 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 |
| 28–29 märts | Chemnitzer Linux-Tage 2026 | Chemnitz, Saxony, Germany |
| 5 aprill | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 aprill | Missing Maps London: (Online) Mapathon [eng] |
| 13 aprill | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 13 aprill | OpenStreetMap x Wikidata Taipei #87 | Chengnei, Taipei, Taiwan |
| 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 |
| 27 aprill | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 28 aprill | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, 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] |
| 11 mai | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 11 mai | OpenStreetMap x Wikidata Taipei #88 | Chengnei, Taipei, Taiwan |
| 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 |
| 25 mai | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 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 |
| 16 juuni | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 16 juuni | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 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 |
| 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] |
| 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] |
| 27 august | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 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] |
| 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] |
| 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] |
| 1 detsember | Missing Maps London: (Online) Mapathon [eng] |
| 7 detsember | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 15 detsember | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
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