| 1 Februari | OSM India - Monthly Online Mapathon | New Delhi, India |
| 3 Februari | EPN d'Arlon - OpenStreetMap - Découverte | Arlon, Luxembourg, Belgium |
| 3 Februari | PoliMappers Maptedì | Milan, Lombardy, Italy |
| 3 Februari | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 3 Februari | Rencontre OSM des contributeurs autour de Lille | Lille, Hauts-de-France, France |
| 3 Februari | Lucy Lamoureux | Santa Clara, California, United States |
| 3 Februari | Lucy Lamoureux | Santa Clara, California, United States |
| 3 Februari | Missing Maps London: (Online) Mapathon [eng] |
| 3 Februari | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 4 Februari | Marseille à la carte ! | Marseille, Provence-Alpes-Côte d'Azur, France |
| 4 Februari | iD Community Chat |
| 4 Februari | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 4 Februari | London OpenStreetMap meet-up | Greater London, England, United Kingdom |
| 5 Februari | Mapathon OSM à La Base : cartographier Haïti pour la prévention des risques | Montpellier, Occitania, France |
| 5 Februari | Réunion des contributeurs de Montrouge et du Sud de Paris | Montrouge, Ile-de-France, France |
| 5 Februari | OSM-Treffen Freiburg/Brsg. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 6 Februari | OSMF Engineering Working Group meeting |
| 7 Februari | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 8 Februari | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 9 Februari | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 9 Februari | OpenStreetMap x Wikidata Taipei #85 | Chengnei, Taipei, Taiwan |
| 10 Februari | EPN d'Arlon - OpenStreetMap - Utilisation | Arlon, Luxembourg, Belgium |
| 10 Februari | Hamburger Mappertreffen | Hamburg, Germany |
| 11 Februari | MSF USA Virtual February Mapathon | New York, New York, United States |
| 11 Februari | 184. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 11 Februari | 77. Wiener OSM-Stammtisch | Vienna, Austria |
| 11 Februari | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11 Februari | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 12 Februari | Olympia, Connected | Seattle, Washington, United States |
| 13 Februari | UN Mappers: Validation Training |
| 15 Februari | ILUGD Meetup × OSM Delhi Mapping Party No.26 (North Zone) | Delhi, India |
| 17 Februari | EPN d'Arlon - OpenStreetMap - Contribution | Arlon, Luxembourg, Belgium |
| 17 Februari | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17 Februari | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 Februari | 197. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 Februari | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 Februari | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 21–22 Februari | Karlsruhe Hack Weekend February 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 21 Februari | Belfast Mapathon | Belfast, Northern Ireland, United Kingdom |
| 21 Februari | OpenStreetMap Outdoor Editing | Kadıköy, Turkey |
| 21 Februari | Rencontre OSM Saint-Brieuc | Saint-Brieuc, Brittany, France |
| 21 Februari | OSM Mapping Party at TomTom Pune, India | Maharashtra, India |
| 21 Februari | OSM Mumbai Mapping Party No.7 (Western Line - South) | Mumbai, Maharashtra, India |
| 23 Februari | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 24 Februari | East Midlands pub meet-up | Derby, England, United Kingdom |
| 24 Februari | OSM Edinburgh pub meetup | City of Edinburgh, Scotland, United Kingdom |
| 25 Februari | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 25 Februari | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26 Februari | Friends of MSF Mapathon | Santa Clara, California, United States |
| 1 Maret | OSM India - Monthly Online Mapathon | New Delhi, India |
| 1 Maret | Mapping Party @ Chennai | Chennai, Tamil Nadu, India |
| 3 Maret | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 3 Maret | Missing Maps London: (Online) Mapathon [eng] |
| 8 Maret | OSM Delhi Mapping Party No.27 (East Zone) | Delhi, India |
| 8 Maret | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 9 Maret | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 10 Maret | Hamburger Mappertreffen | Hamburg, Germany |
| 11 Maret | 185. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 12 Maret | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 16 Maret | OpenStreetMap x Wikidata Taipei #86 | Chengnei, Taipei, Taiwan |
| 17 Maret | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17 Maret | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17 Maret | 198. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17 Maret | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 Maret | 20. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 21 Maret | OSM Mumbai Mapping Party No.8 (Western Line - North) | Vasai-Virar, Maharashtra, India |
| 23 Maret | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 24 Maret | Rencontre OpenStreetMap et Territoires | Plouzané, Brittany, France |
| 24–27 Maret | FOSSGIS-Konferenz 2026 | Göttingen, Lower Saxony, Germany |
| 24 Maret | East Midlands pub meet-up | Derby, England, United Kingdom |
| 27 Maret | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 28 Maret | FOSSGIS 2026 - OSM-Samstag | Göttingen, Lower Saxony, Germany |
| 28–29 Maret | Chemnitzer Linux-Tage 2026 | Chemnitz, Saxony, Germany |
| 5 April | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7 April | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 April | Missing Maps London: (Online) Mapathon [eng] |
| 8 April | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 12 April | OSM Delhi Mapping Party No.28 (Meerut) | Meerut, Uttar Pradesh, India |
| 13 April | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 13 April | OpenStreetMap x Wikidata Taipei #87 | Chengnei, Taipei, Taiwan |
| 14 April | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 18 April | OSM Mumbai Mapping Party No.9 (Central Line) | Mumbai, Maharashtra, India |
| 21 April | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 21 April | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 21 April | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21 April | 199. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 April | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 24 April | 18. Mapathon & Mapping Party Rapperswil 2025 | Rapperswil, Rapperswil-Jona, St. Gallen, Switzerland |
| 27 April | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 28 April | 78. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 April | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 29 April | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 30 April–3 Mei | FOSSGIS-OSM-Communitytreffen im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3 Mei | OSM India - Monthly Online Mapathon | New Delhi, India |
| 5 Mei | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 5 Mei | Missing Maps London: (Online) Mapathon [eng] |
| 10 Mei | OSM Delhi Mapping Party No.29 (South Zone) | Delhi, India |
| 11 Mei | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 11 Mei | OpenStreetMap x Wikidata Taipei #88 | Chengnei, Taipei, Taiwan |
| 13 Mei | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 16 Mei | OSM Mumbai Mapping Party No.10 (Trans-Harbour Line - North) | Navi Mumbai, Maharashtra, India |
| 19 Mei | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 19 Mei | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 19 Mei | 200. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 19 Mei | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25 Mei | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 27 Mei | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 2 Juni | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 2 Juni | Missing Maps London: (Online) Mapathon [eng] |
| 7 Juni | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8 Juni | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8 Juni | OpenStreetMap x Wikidata Taipei #89 | Chengnei, Taipei, Taiwan |
| 11 Juni | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14 Juni | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16 Juni | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 16 Juni | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16 Juni | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16 Juni | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 17 Juni | 21. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 18 Juni | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 20 Juni | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South) | Maharashtra, India |
| 22 Juni | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 26–28 Juni | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26 Juni | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 7 Juli | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 7 Juli | Missing Maps London: (Online) Mapathon [eng] |
| 13 Juli | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 21 Juli | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 21 Juli | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21 Juli | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29 Juli | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4 Agustus | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 4 Agustus | Missing Maps London: (Online) Mapathon [eng] |
| 10 Agustus | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 18 Agustus | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 18 Agustus | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18 Agustus | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26 Agustus | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 26 Agustus | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 27 Agustus | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28 Agustus | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 1 September | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 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 | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 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 Oktober | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5 Oktober | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6 Oktober | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 6 Oktober | Missing Maps London: (Online) Mapathon [eng] |
| 20 Oktober | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 20 Oktober | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20 Oktober | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 27 Oktober | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28 Oktober | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3 November | Missing Maps London: (Online) Mapathon [eng] |
| 7 November | Maker Days Salzburg | Salzburg, Salzburg, Austria |
| 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 Desember | OSM-Treffpunkt | Salzburg, Salzburg, Austria |
| 1 Desember | Missing Maps London: (Online) Mapathon [eng] |
| 7 Desember | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 9 Desember | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 13 Desember | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15 Desember | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 15 Desember | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15 Desember | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 Desember | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
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