| 20th–30th October | OSM/GIS-Meetup Halle (Saale) | Halle (Saale), Saxony-Anhalt, Germany |
| 22nd October | Intune Core Services GIVE: Missing Maps Mapathon | Redmond, Washington, United States |
| 22nd October | Réunion OpenStreetMap | Vandœuvre-lès-Nancy, Grand Est, France |
| 22nd October | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 22nd October | Réunion du groupe local de Vienne | Saint-Romain-en-Gal, Auvergne-Rhône-Alpes, France |
| 22nd October | 76. Wiener OSM-Stammtisch | Vienna, Austria |
| 23rd October | Mapping Power for People: Mapping Power Grids with the YouthMappers and OET | Berlin, Germany |
| 23rd October | Missing Maps mapathon Žilina #19 | Žilina, Region of Žilina, Slovakia |
| 24th October | Rencontre communauté OSM Tours (Fr) | Tours, Centre-Val de Loire, France |
| 25th October | Atelier du groupe local de Metz | Metz, Grand Est, France |
| 25th October | OpenStreetMap al Linux Day di Bologna | Bologna, Emilia-Romagna, Italy |
| 25th October | OpenStreet Haftasonu Buluşmaları | Kadıköy, Turkey |
| 26th October | Verler Tod | Verl, North Rhine-Westphalia, Germany |
| 27th October | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 27th October | Rencontre Saint-Étienne et sud Loire | Saint-Étienne, Auvergne-Rhône-Alpes, France |
| 27th October | Bremer Mappertreffen | Bremen, Bremen, Germany |
| 28th–30th October | State of the Map Nigeria 2025 Conference Enugu | Enugu State, Nigeria |
| 28th October | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 28th October | OSM Radinfra-Mapathon #4 | Vogtei, Thuringia, Germany |
| 29th October | Transmission Grid Mapping Together | Berlin, Germany |
| 29th October | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 30th October | 7th OpenStreetMap West Bengal Mapping Party | Siliguri, West Bengal, India |
| 30th October | OSM/GIS-Meetup Halle (Saale) | Halle (Saale), Saxony-Anhalt, Germany |
| 31st October | UN Mappers Mappy Hour |
| 31st October | OSMF Engineering Working Group meeting |
| 1st November | OSM-stand @ International Day Les Scouts | Courrière, Namur, Belgium |
| 1st November | Braunschweiger Mappertreffen im Stratum0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 2nd November | OSM India - Monthly Online Mapathon | New Delhi, India |
| 4th November | Mapathon - Monthly Missing Maps w/ EWB Norway | Oslo, Norway |
| 4th November | OSM Treffen Salzburg | Salzburg, Salzburg, Austria |
| 4th November | East Midlands pub meet-up | Derby, England, United Kingdom |
| 4th November | Missing Maps London: (Online) Mapathon [eng] |
| 5th November | iD Community Chat |
| 5th November | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 7th–9th November | itWikiCon | Catania, Sicily, Italy |
| 8th–9th November | Karlsruhe Hack Weekend November 2025 | Karlsruhe, Baden-Württemberg, Germany |
| 8th November | Maker Faire Salzburg | Salzburg, Salzburg, Austria |
| 9th November | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 10th November | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 10th November | OpenStreetMap x Wikidata Taipei #82 | Chengnei, Taipei, Taiwan |
| 11th November | 181. OSM-Stammtisch Zürich | Zurich, Zurich, Switzerland |
| 11th November | Hamburger Mappertreffen | Hamburg, Germany |
| 12th November | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13th November | OpenStreetMap Midwest Meetup | Ohio, United States |
| 14th–15th November | State of the Map Europe | Dundee, Scotland, United Kingdom |
| 17th–21st November | FOSS4G International Conference 2025 - Auckland | Waitematā, Auckland, New Zealand |
| 18th November | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 18th November | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 18th November | 194. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 18th November | OSM Edinburgh pub meetup | City of Edinburgh, Scotland, United Kingdom |
| 18th November | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 19th November | Stammtisch Karlsruhe | Karlsruhe, Baden-Württemberg, Germany |
| 24th November | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 25th November | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 25th November | OSM-Verkehrswende #70 | Berlin, Germany |
| 26th November | Réunion OpenStreetMap | Vandœuvre-lès-Nancy, Grand Est, France |
| 26th November | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 27th November | Maptime Amsterdam: Map & Meet | Amsterdam, North Holland, Netherlands |
| 28th–30th November | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 2nd December | Mapathon - Monthly Missing Maps w/ EWB Norway | Oslo, Norway |
| 2nd December | OSM Treffen Salzburg | Salzburg, Salzburg, Austria |
| 2nd December | Missing Maps London: (Online) Mapathon [eng] |
| 2nd December | East Midlands pub meet-up | Derby, England, United Kingdom |
| 6th–7th December | PSL XXL | Paris, France |
| 6th December | Braunschweiger Mappertreffen im Stratum0 Hackerspace | Brunswick, Lower Saxony, Germany |
| 7th December | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8th December | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 8th December | OpenStreetMap x Wikidata Taipei #83 | Chengnei, Taipei, Taiwan |
| 9th December | Hamburger Mappertreffen | Hamburg, Germany |
| 11th December | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 11th December | OpenStreetMap Midwest Meetup | Ohio, United States |
| 13th December | GeoCamp - State of the Map España 2025 | Zaragoza, Aragon, Spain |
| 16th December | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 16th December | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 16th December | 195. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 16th December | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 18th December | 19. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 18th December | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 22nd December | Missing Maps : Mapathon en ligne - CartONG [fr] |
| 26th December | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 4th January | OSM India - Monthly Online Mapathon | New Delhi, India |
| 8th January | OpenStreetMap Midwest Meetup | Ohio, United States |
| 20th January | East Midlands pub meet-up | Derby, England, United Kingdom |
| 30th–31st January | Mapping USA 2026 |
| 1st February | OSM India - Monthly Online Mapathon | New Delhi, India |
| 1st March | OSM India - Monthly Online Mapathon | New Delhi, India |
| 24th March | Rencontre OpenStreetMap et Territoires | Plouzané, Brittany, France |
| 5th April | OSM India - Monthly Online Mapathon | New Delhi, India |
| 30th April–3rd May | FOSSGIS-OSM-Communitytreffen im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 3rd May | OSM India - Monthly Online Mapathon | New Delhi, India |
| 7th June | OSM India - Monthly Online Mapathon | New Delhi, India |
Add your event to OpenStreetMap Calendar