| Gmina Bieżuń | |
| Other Name: | Bieżuń Commune |
| Settlement Type: | Gmina |
| Total Type: | Total |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Żuromin |
| Area Total Km2: | 122.02 |
| Population Total: | 5234 |
| Population As Of: | 2006 |
| Population Density Km2: | auto |
| Population Urban: | 1874 |
| Population Blank1 Title: | Rural |
| Population Blank1: | 3360 |
| Coor Pinpoint: | Bieżuń |
| Coordinates: | 52.95°N 72°W |
| Seat: | Bieżuń |
Gmina Bieżuń is an urban-rural gmina (administrative district) in Żuromin County, Masovian Voivodeship, in east-central Poland. Its seat is the town of Bieżuń, which lies approximately 13km (08miles) south of Żuromin and 1120NaN0 north-west of Warsaw.
The gmina covers an area of 122.02km2, and as of 2006 its total population is 5,234, of which the population of Bieżuń is 1,874, and the population of the rural part of the gmina is 3,360.
Apart from the town of Bieżuń, Gmina Bieżuń contains the villages and settlements of Adamowo, Bielawy Gołuskie, Borki, Dąbrówki, Dźwierzno, Gołuszyn, Karniszyn, Karniszyn-Parcele, Kobyla Łąka, Kobyla Łąka-Kolonia, Kocewko, Kocewo, Ludwinowo, Mak, Małocin, Marysin, Myślin, Pełki, Pozga, Sadłowo, Sadłowo-Parcele, Sławęcin, Stanisławowo, Stawiszyn-Łaziska, Stawiszyn-Zwalewo, Strzeszewo, Trzaski, Wieluń-Zalesie, Wilewo, Władysławowo and Zgliczyn-Pobodzy.
Gmina Bieżuń is bordered by the gminas of Lutocin, Radzanów, Rościszewo, Siemiątkowo, Szreńsk, Zawidz and Żuromin.