| 15th April | Missing Maps London: (Online) Mid-Month Mapathon [eng] |
| 15th April | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 15th April | A Synesthete's Atlas: Cartographic Improvisations | Lubbock, Texas, United States |
| 15th April | 187. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 15th April | South Bay Map Night | San Jose, California, United States |
| 15th April | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 16th April | Maptime Amsterdam: Springtime Mapping Party | Amsterdam, North Holland, Netherlands |
| 16th April | [Online] Map-py Wednesday |
| 17th–18th April | OpenStreetMap Belgium au salon Municipalia | Marche-en-Famenne, Luxembourg, Belgium |
| 17th April | MapRVA Map & Yap |
| 17th April | Workshop - mapathon: post-cyclone assessment of building damage |
| 18th April | OSMF Engineering Working Group meeting |
| 20th April | 2nd Mumbai Mapping Party | Mumbai, Maharashtra, India |
| 21st–25th April | Mapathon for Kinshasa City, | Pende, Kinshasa, Democratic Republic of the Congo |
| 22nd April | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 22nd April | Kieler Mapper*innentreffen | Kiel, Schleswig-Holstein, Germany |
| 22nd April | East Midlands pub meet-up | Derby, England, United Kingdom |
| 23rd April | Missing Maps - DRK & MSF Online Mapathon |
| 24th April | [Online] OpenStreetMap Foundation board of Directors - public videomeeting |
| 24th April | Mapatón Humanitario Universidad de Zaragoza | Zaragoza, Aragon, Spain |
| 24th April | Atelier - mapathon: évaluation post-cyclonique des dommages aux bâtiments |
| 25th April | SOSM Annual General Assembly |
| 26th April | OSMF Affiliation Focus Group Discussion: Thematic and non-geographical groups |
| 29th April | South Bay Map Night | San Jose, California, United States |
| 30th April | 74. Wiener OSM-Stammtisch | Vienna, Austria |
| 30th April | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 4th May | 16th OSM Delhi Mapping Party (Online) | Delhi, India |
| 6th May | Květnový brněnský Missing Maps Mapathon na Geografickém ústavu | Brno, Czechia |
| 6th May | OSM Treffen Salzburg | Salzburg, Salzburg, Austria |
| 6th May | Missing Maps London: (Online) Mapathon [eng] |
| 7th May | iD Community Chat |
| 7th May | Stuttgarter OpenStreetMap-Treffen | Stuttgart, Baden-Württemberg, Germany |
| 8th May | OSM Pils #1v1.1 2025 | Oslo, Norway |
| 8th May | Bochumer OSM-Treffen | Bochum, North Rhine-Westphalia, Germany |
| 11th May | 16th OSM Delhi Mapping Party | Delhi, India |
| 11th May | OSMmapperCPH | Copenhagen, Capital Region of Denmark, Denmark |
| 11th May | Stadt-Spaziergang mit OpenStreetMap | Kiel, Schleswig-Holstein, Germany |
| 12th May | OpenStreetMap x Wikidata Taipei #76 | Chengnei, Taipei, Taiwan |
| 13th May | OSM Utah Monthly Map Night | Salt Lake City, Utah, United States |
| 13th May | Hamburger Mappertreffen | Hamburg, Germany |
| 13th May | South Bay Map Night | San Jose, California, United States |
| 14th May | Mapping Hidden Stories: reflecting on pedestrian accessibility in Athens | Athens, Attica, Greece |
| 14th May | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 16th–18th May | FOSSGIS-OSM-Communitytreffen im Linuxhotel | Essen, North Rhine-Westphalia, Germany |
| 17th May | Missing Maps Day Olomouc 2025 | Olomouc, Central Moravia, Czechia |
| 17th May | Joy Diversion | Manchester, England, United Kingdom |
| 17th May | Microcartopartie Estrablin (38) | Estrablin, Auvergne-Rhône-Alpes, France |
| 20th May | Réunion du groupe local de Lyon | Lyon, Auvergne-Rhône-Alpes, France |
| 20th May | 188. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 20th May | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 23rd May | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 27th May | South Bay Map Night | San Jose, California, United States |
| 28th May | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 29th May | [Online] OpenStreetMap Foundation board of Directors - public videomeeting |
| 1st June | 17th OSM Delhi Mapping Party (Online) | New Delhi, Delhi, India |
| 3rd June | OSM Treffen Salzburg | Salzburg, Salzburg, Austria |
| 7th June | Kartenwerkstatt Augustusburg | Augustusburg, Saxony, Germany |
| 8th June | 17th OSM Delhi Mapping Party | New Delhi, Delhi, India |
| 9th June | OpenStreetMap x Wikidata Taipei #77 | Chengnei, Taipei, Taiwan |
| 10th June | Hamburger Mappertreffen | Hamburg, Germany |
| 10th June | South Bay Map Night | San Jose, California, United States |
| 12th June | 17. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 12th June | Münchner OSM-Treffen | Munich, Bavaria, Germany |
| 13th–15th June | State of the Map France 2025 | Tours, Centre-Val de Loire, France |
| 14th June | Apér'OSM Bourgogne-Franche-Comté | Besançon, Bourgogne – Franche-Comté, France |
| 17th June | 188. OSM-Stammtisch Bonn | Bonn, North Rhine-Westphalia, Germany |
| 17th June | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 19th–21st June | State of the Map US | Boston, Massachusetts, United States |
| 23rd June | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 24th June | South Bay Map Night | San Jose, California, United States |
| 26th June | [Online] OpenStreetMap Foundation board of Directors - public videomeeting |
| 27th June | Düsseldorfer OpenStreetMap-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 8th July | South Bay Map Night | San Jose, California, United States |
| 14th–20th July | FOSS4G Europe 2025 | Mostar, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina |
| 14th July | OpenStreetMap x Wikidata Taipei #78 | Chengnei, Taipei, Taiwan |
| 15th July | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 17th July | Missing Maps Mapathon in Heidelberg MSF | Heidelberg, Baden-Württemberg, Germany |
| 22nd July | South Bay Map Night | San Jose, California, United States |
| 24th July | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 24th July | 75. Wiener OSM-Stammtisch | Vienna, Austria |
| 31st July | [Online] OpenStreetMap Foundation board of Directors - public videomeeting |
| 5th August | South Bay Map Night | San Jose, California, United States |
| 11th August | OpenStreetMap x Wikidata Taipei #79 | Chengnei, Taipei, Taiwan |
| 19th August | South Bay Map Night | San Jose, California, United States |
| 19th August | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 24th August | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 28th August | [Online] OpenStreetMap Foundation board of Directors - public videomeeting |
| 4th–6th September | SotM LatAm 2025 | Medellín, Antioquia, Colombia |
| 15th September | OpenStreetMap x Wikidata Taipei #80 | Chengnei, Taipei, Taiwan |
| 16th September | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 17th–18th September | Jornadas de SIG Libre / SOTM España | Girona, Catalonia, Spain |
| 17th September | 18. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 25th September | [Online] OpenStreetMap Foundation board of Directors - public videomeeting |
| 25th September | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 3rd–5th October | State of the Map 2025 | Quezon City, Philippines |
| 13th October | OpenStreetMap x Wikidata Taipei #81 | Chengnei, Taipei, Taiwan |
| 21st October | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 22nd October | 76. Wiener OSM-Stammtisch | Vienna, Austria |
| 25th October | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 10th November | OpenStreetMap x Wikidata Taipei #82 | Chengnei, Taipei, Taiwan |
| 18th November | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 25th November | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
| 28th–30th November | State of the Map Africa 2025 | Dar es-Salaam, Tanzania |
| 8th December | OpenStreetMap x Wikidata Taipei #83 | Chengnei, Taipei, Taiwan |
| 16th December | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 18th December | 19. Österreichischer OSM-Stammtisch (online) | Stainach-Pürgg, Styria, Austria |
| 26th December | OSM-Stammtisch Hannover | Hanover, Lower Saxony, Germany |
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