| 27th January | Mappy Hour OSM España | Béjar, Castile and León, Spain |
| 27th January | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 27th January | OSM-Verkehrswende #71 | Berlin, Germany |
| 28th January | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 29th January | [Online] OpenStreetMap Foundation board of Directors - public videomeeting |
| 29th January | 2026 Kickoff Meetup – Mapping, Fireside Chats, Show & Tell, and More! | Amsterdam, North Holland, Netherlands |
| 30th–31st January | Mapping USA 2026 |
| 30th January | "OpenStreetMap: un mapa para todas", dentro de la "Tarde de soberanía tecnológica" | Valencia, Valencian Community, Spain |
| 30th January | OpenStreetMap meetup in Gent | Ghent, East Flanders, Belgium |
| 31st January | Compleanno di Wikipedia e mapping party ad Aosta @ Fiera di Sant'Orso | Arpuilles, Aosta, Aosta Valley, Italy |
| 31st January | OSM Mumbai Mapping Party No.6 (Mumbai City) | Mumbai, Maharashtra, India |
| 1st February | OSM India - Monthly Online Mapathon | New Delhi, India |
| 3rd February | EPN d'Arlon - OpenStreetMap - Découverte | Arlon, Luxembourg, Belgium |
| 3rd February | Rencontre OSM des contributeurs autour de Lille | Lille, Hauts-de-France, France |
| 3rd February | Lucy Lamoureux | Santa Clara, California, United States |
| 3rd February | Lucy Lamoureux | Santa Clara, California, United States |
| 3rd February | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 3rd February | Missing Maps London: (Online) Mapathon [eng] |
| 4th February | iD Community Chat |
| 4th February | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 5th February | Mapathon OSM à La Base : cartographier Haïti pour la prévention des risques | Montpellier, Occitania, France |
| 5th February | Réunion des contributeurs de Montrouge et du Sud de Paris | Montrouge, Ile-de-France, France |
| 5th February | OSM-Treffen Freiburg/Brsg. | Freiburg im Breisgau, Baden-Württemberg, Germany |
| 6th February | OSMF Engineering Working Group meeting |
| 7th February | Braunschweiger Mappertreffen im Stratum 0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 8th February | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 8th February | Mapping Party @ Chennai | Chennai, Tamil Nadu, India |
| 9th February | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 9th February | OpenStreetMap x Wikidata Taipei #85 | Chengnei, Taipei, Taiwan |
| 10th February | EPN d'Arlon - OpenStreetMap - Utilisation | Arlon, Luxembourg, Belgium |
| 10th February | Hamburger Mappertreffen | Hamburg, Germany |
| 11th February | 184. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 11th February | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11th February | 77. Wiener OSM-Stammtisch | Vienna, Austria |
| 11th February | Online Mapathon von ÄRZTE OHNE GRENZEN |
| 12th February | Olympia, Connected | Seattle, Washington, United States |
| 13th February | UN Mappers: Validation Training |
| 15th February | ILUGD Meetup × OSM Delhi Mapping Party No.26 (North Zone) | Delhi, India |
| 17th February | EPN d'Arlon - OpenStreetMap - Contribution | Arlon, Luxembourg, Belgium |
| 17th February | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17th February | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17th February | 197. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17th February | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21st–22nd February | Karlsruhe Hack Weekend February 2026 | Karlsruhe, Baden-Württemberg, Germany |
| 21st February | Belfast Mapathon | Belfast, Northern Ireland, United Kingdom |
| 21st February | OpenStreetMap Outdoor Editing | Kadıköy, Turkey |
| 21st February | OSM Mumbai Mapping Party No.7 (Western Line - South) | Mumbai, Maharashtra, India |
| 23rd February | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 24th February | East Midlands pub meet-up | Derby, England, United Kingdom |
| 24th February | OSM Edinburgh pub meetup | City of Edinburgh, Scotland, United Kingdom |
| 25th February | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1st March | OSM India - Monthly Online Mapathon | New Delhi, India |
| 3rd March | Missing Maps London: (Online) Mapathon [eng] |
| 8th March | OSM Delhi Mapping Party No.27 (East Zone) | Delhi, India |
| 9th March | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 10th March | Hamburger Mappertreffen | Hamburg, Germany |
| 11th March | 185. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 12th March | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 16th March | OpenStreetMap x Wikidata Taipei #86 | Chengnei, Taipei, Taiwan |
| 17th March | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17th March | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 17th March | 198. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17th March | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18th March | 20. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 21st March | OSM Mumbai Mapping Party No.8 (Western Line - North) | Vasai-Virar, Maharashtra, India |
| 23rd March | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 24th March | Rencontre OpenStreetMap et Territoires | Plouzané, Brittany, France |
| 24th–27th March | FOSSGIS-Konferenz 2026 | Göttingen, Lower Saxony, Germany |
| 24th March | East Midlands pub meet-up | Derby, England, United Kingdom |
| 27th March | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 28th March | FOSSGIS 2026 - OSM-Samstag | Göttingen, Lower Saxony, Germany |
| 28th–29th March | Chemnitzer Linux-Tage 2026 | Chemnitz, Saxony, Germany |
| 5th April | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7th April | Missing Maps London: (Online) Mapathon [eng] |
| 8th April | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 12th April | OSM Delhi Mapping Party No.28 (Meerut) | Meerut, Uttar Pradesh, India |
| 13th April | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 13th April | OpenStreetMap x Wikidata Taipei #87 | Chengnei, Taipei, Taiwan |
| 14th April | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 18th April | OSM Mumbai Mapping Party No.9 (Central Line) | Mumbai, Maharashtra, India |
| 21st April | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 21st April | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 21st April | 199. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21st April | East Midlands pub meet-up | Derby, England, United Kingdom |
| 21st April | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 27th April | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 28th April | 78. Wiener OSM-Stammtisch | Vienna, Austria |
| 28th April | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 29th April | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 30th April–3rd May | FOSSGIS-OSM-Communitytreffen im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3rd May | OSM India - Monthly Online Mapathon | New Delhi, India |
| 5th May | Missing Maps London: (Online) Mapathon [eng] |
| 10th May | OSM Delhi Mapping Party No.29 (South Zone) | Delhi, India |
| 11th May | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 11th May | OpenStreetMap x Wikidata Taipei #88 | Chengnei, Taipei, Taiwan |
| 13th May | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 16th May | OSM Mumbai Mapping Party No.10 (Trans-Harbour Line - North) | Navi Mumbai, Maharashtra, India |
| 19th May | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 19th May | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 19th May | 200. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 19th May | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25th May | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 27th May | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 2nd June | Missing Maps London: (Online) Mapathon [eng] |
| 7th June | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8th June | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8th June | OpenStreetMap x Wikidata Taipei #89 | Chengnei, Taipei, Taiwan |
| 11th June | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 14th June | OSM Delhi Mapping Party No.30 (West Zone) | Delhi, India |
| 16th June | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 16th June | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16th June | 201. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16th June | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 17th June | 21. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 18th June | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 20th June | OSM Mumbai Mapping Party No.11 (Trans-Harbour Line - South) | Maharashtra, India |
| 22nd June | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 26th–28th June | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 26th June | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 7th July | Missing Maps London: (Online) Mapathon [eng] |
| 13th July | OpenStreetMap x Wikidata Taipei #90 | Chengnei, Taipei, Taiwan |
| 21st July | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 21st July | 202. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 21st July | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 29th July | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4th August | Missing Maps London: (Online) Mapathon [eng] |
| 10th August | OpenStreetMap x Wikidata Taipei #91 | Chengnei, Taipei, Taiwan |
| 18th August | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 18th August | 203. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18th August | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 26th August | 79. Wiener OSM-Stammtisch | Vienna, Austria |
| 26th August | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27th August | OpenStreetMap West Bengal Mapping Party + AnkushTheHero Day |
| 28th August | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 1st September | Missing Maps London: (Online) Mapathon [eng] |
| 7th September | OpenStreetMap x Wikidata Taipei #92 | Chengnei, Taipei, Taiwan |
| 15th September | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 15th September | 204. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15th September | 22. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 15th September | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25th September | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3rd October | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 5th October | OpenStreetMap x Wikidata Taipei #93 | Chengnei, Taipei, Taiwan |
| 6th October | Missing Maps London: (Online) Mapathon [eng] |
| 20th October | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 20th October | 205. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20th October | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 27th October | 80. Wiener OSM-Stammtisch | Vienna, Austria |
| 28th October | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 3rd November | Missing Maps London: (Online) Mapathon [eng] |
| 9th November | OpenStreetMap x Wikidata Taipei #94 | Chengnei, Taipei, Taiwan |
| 17th November | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 17th November | 206. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17th November | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 25th November | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 1st December | Missing Maps London: (Online) Mapathon [eng] |
| 7th December | OpenStreetMap x Wikidata Taipei #95 | Chengnei, Taipei, Taiwan |
| 9th December | 23. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 13th December | Essen OSM-Treffen | Essen, North Rhine-Westphalia, Germany |
| 15th December | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 15th December | 207. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15th December | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18th December | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
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