| Grochy-Łętownica | |
| Settlement Type: | Village |
| Total Type: | |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Podlaskie |
| Subdivision Type2: | County |
| Subdivision Name2: | Zambrów |
| Subdivision Type3: | Gmina |
| Subdivision Name3: | Zambrów |
| Coordinates: | 52.8964°N 22.2336°W |
| Pushpin Map: | Poland |
| Population Total: | 90 |
| Population Footnotes: | (approx.) |
Grochy-Łętownica is a village in the administrative district of Gmina Zambrów, within Zambrów County, Podlaskie Voivodeship, in north-eastern Poland.[1]