| Kosumce | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Otwock |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Karczew |
| Coordinates: | 51.9833°N 37°W |
| Pushpin Map: | Poland |
| Pushpin Label Position: | bottom |
| Population Total: | 280 |
Kosumce is a village in the administrative district of Gmina Karczew, within Otwock County, Masovian Voivodeship, in east-central Poland.[1] It lies approximately 12km (07miles) south of Karczew, 150NaN0 south of Otwock, and 320NaN0 south-east of Warsaw. As of 2007, the village had a population of approximately 280.
From 1975 to 1998 Kosumce was in Warsaw Voivodeship. Voivodeship Road 799 runs through the village.
Neighbouring villages include Dziecinów, Ostrówek and Piotrowice.