Großer Wummsee

{{Infobox lake

| name = Großer Wummsee

| image =2015 08 05-Großer Wummsee-067.jpg

| caption =

| image_bathymetry =

| caption_bathymetry =

|pushpin_map=Brandenburg

| coords = {{coord|53|11|18|N|12|48|1|E|region:DE-MV_type:waterbody_source:dewiki|display=inline,title}}

| type =

| inflow =

| outflow = none

| catchment =

| basin_countries = Germany

| length =

| width =

| area = {{convert|1.52|km2|abbr=on}}

| depth =

| max-depth = {{convert|35|m|abbr=on}}

| volume =

| residence_time =

| shore =

| elevation = {{convert|61,0|m|abbr=on}}

| frozen =

| islands =

| cities =

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}}

Großer Wummsee is a lake in Landkreis Ostprignitz-Ruppin, Brandenburg, Germany. At an elevation of 61,0 m, its surface area is 1.52 km².