| Gmina Grębków | |
| Other Name: | Grębków Commune |
| Settlement Type: | Gmina |
| Total Type: | Total |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Węgrów |
| Coor Pinpoint: | Grębków |
| Coordinates: | 52.2667°N 76°W |
| Area Total Km2: | 130.75 |
| Population Total: | 4553 |
| Population As Of: | 2013[1] |
| Population Density Km2: | auto |
| Seat: | Grębków |
| Website: | http://www.grebkow.pl/ |
Gmina Grębków is a rural gmina (administrative district) in Węgrów County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Grębków, which lies approximately 16 kilometres (10 mi) south-west of Węgrów and 61 km (38 mi) east of Warsaw.
The gmina covers an area of 130.75km2, and as of 2006 its total population is 4,629 (4,553 in 2013).
Gmina Grębków contains the villages and settlements of Aleksandrówka, Chojeczno-Cesarze, Chojeczno-Sybilaki, Gałki, Grębków, Grodzisk, Jabłonna, Kolonia Sinołęka, Kopcie, Kózki, Leśnogóra, Nowa Sucha, Nowa Trzcianka, Ogródek, Oszczerze, Pobratymy, Podsusze, Polków-Daćbogi, Polków-Sagały, Proszew A, Proszew B, Słuchocin, Stara Sucha, Stara Trzcianka, Stawiska, Suchodół, Trzebucza, Żarnówka and Ziomaki.
Gmina Grębków is bordered by the gminas of Kałuszyn, Kotuń, Liw, Mokobody and Wierzbno.