| 15 aprīlis | Virtual Civic Hack & Map Night | San Jose, California, United States |
| 16 aprīlis | PoliMappers: Humanitarian Mapping with Map For Future |
| 16 aprīlis | Virtual meeting of the Polish OSM Association | Cudniki, Łódź Voivodeship, Poland |
| 20 aprīlis | 138. Treffen des OSM-Stammtisches Bonn |
| 20 aprīlis | OSM Duma: Talking about OmsAnd business card, landing page, event scheduling |
| 20 aprīlis | OSM-Verkehrswende #22 (Online) | Berlin, Berlin, Germany |
| 20 aprīlis | OSM East Midlands/Nottingham meetup (online) | Nottingham, England, United Kingdom |
| 20 aprīlis | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 21 aprīlis | MapABQ April virtual meetup | Albuquerque, New Mexico, United States |
| 21 aprīlis | Missing Maps DRK Online Mapathon |
| 22 aprīlis | Loyola University Chicago Friends of MSF Earth Day Mapathon | Chicago, Illinois, United States |
| 23 aprīlis | Swiss OpenStreetMap Association Annual General Meeting | Weggis, Luzern, Switzerland |
| 23 aprīlis | Virtual meeting of the Polish OSM Association | Cudniki, Łódź Voivodeship, Poland |
| 26 aprīlis | Bremer Mappertreffen (Online) | Bremen, Free Hanseatic City of Bremen, Germany |
| 28 aprīlis | Düsseldorfer OSM-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 30 aprīlis | [Online] OpenStreetMap Foundation board of Directors - public meeting |
| 30 aprīlis | Map The U Spring 2021 | Salt Lake City, Utah, United States |
| 30 aprīlis | Virtual meeting of the Polish OSM Association | Cudniki, Łódź Voivodeship, Poland |
| 4 maijs | Missing Maps London Mapathon | Westminster, England, United Kingdom |
| 4 maijs | Virtuelles Niederbayern-Treffen | Oberframmering, Landau an der Isar, Bavaria, Germany |
| 5 maijs | Stuttgart: Virtueller Stammtisch am 5. Mai 2021 |
| 5 maijs | Stuttgarter Stammtisch (Online) | Stuttgart, Baden-Württemberg, Germany |
| 7 maijs | Virtual meeting of the Polish OSM Association | Cudniki, Łódź Voivodeship, Poland |
| 11 maijs | OSM-Treffen Zürich | Zurich, Zurich, Switzerland |
| 11 maijs | Hamburger Mappertreffen | Hamburg, Germany |
| 12 maijs | Stammtisch Köln | Cologne, North Rhine-Westphalia, Germany |
| 12 maijs | OpenStreetMap Michigan Meetup | Michigan, United States |
| 13 maijs | 155. Berlin-Brandenburg OpenStreetMap Stammtisch (Online) | Berlin, Berlin, Germany |
| 14 maijs | Virtual meeting of the Polish OSM Association | Cudniki, Łódź Voivodeship, Poland |
| 18 maijs | 139. Treffen des OSM-Stammtisches Bonn |
| 18 maijs | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 20–22 maijs | Mapping USA |
| 21 maijs | Virtual meeting of the Polish OSM Association | Cudniki, Łódź Voivodeship, Poland |
| 25 maijs | Virtual OpenStreetMap Belgium meeting | City of Brussels, Belgium |
| 26 maijs | Düsseldorfer OSM-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 28 maijs | Virtual meeting of the Polish OSM Association | Cudniki, Łódź Voivodeship, Poland |
| 4 jūnijs | 156. Berlin-Brandenburg OpenStreetMap Stammtisch (Online) | Berlin, Berlin, Germany |
| 6 jūnijs | OSM-Sonntag (FOSSGIS-Konferenz 2021) | Rapperswil, Rapperswil-Jona, Sankt Gallen, Switzerland |
| 6–9 jūnijs | FOSSGIS-Konferenz 2021 (Online) | Rapperswil, Rapperswil-Jona, Sankt Gallen, Switzerland |
| 10 jūnijs | Missing Maps Artsen Zonder Grenzen Mapathon |
| 15 jūnijs | 140. Treffen des OSM-Stammtisches Bonn |
| 15 jūnijs | Lüneburger Mappertreffen (online) | Lüneburg, Lower Saxony, Germany |
| 18 jūnijs | Missing Maps German Red Cross Digitaltag Mapathon |
| 25 jūnijs | Düsseldorfer OSM-Treffen (online) | Dusseldorf, North Rhine-Westphalia, Germany |
| 9–11 jūlijs | State of the Map 2021 |
| 20 jūlijs | Lüneburger Mappertreffen | Lüneburg, Lower Saxony, Germany |
| 11 augusts | OSM-Treffen Zürich | Zurich, Zurich, Switzerland |
| 11 oktobris | OSM-Treffen Zürich | Zurich, Zurich, Switzerland |
| 11 novembris | OSM-Treffen Zürich | Zurich, Zurich, Switzerland |
| 19–21 novembris | State of the Map Africa 2021 | Nairobi, Nairobi, Kenya |
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