| Krupin | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Warmian-Masurian |
| Subdivision Type2: | County |
| Subdivision Name2: | Ełk |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Prostki |
| Coordinates: | 53.6967°N 22.4108°W |
| Pushpin Map: | Poland |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Registration Plate: | NEL |
Krupin is a village in the administrative district of Gmina Prostki, within Ełk County, Warmian-Masurian Voivodeship, in north-eastern Poland.[1] It is located in the historic region of Masuria.
Since its establishment, Krupin was an ethnically Polish village.[2] It surely existed by 1553.[2] Various Polish nobility lived there, including the Ciesielski, Wilkowski and Dulski families.[2]