| Gmina Winnica | |
| Other Name: | Winnica Commune |
| Settlement Type: | Gmina |
| Pushpin Map: | Poland |
| Pushpin Map Caption: | Location within Poland |
| Coordinates: | 52.65°N 77°W |
| Coor Pinpoint: | Winnica |
| Subdivision Type: | Country |
| Subdivision Type1: | Voivodeship |
| Subdivision Name1: | Masovian |
| Subdivision Type2: | County |
| Subdivision Name2: | Pułtusk |
| Seat: | Winnica |
| Total Type: | Total |
| Area Total Km2: | 115.09 |
| Population Total: | 4116 |
| Population As Of: | 2006--> |
| Population Footnotes: | [1] |
| Population Total: | 4100 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
Gmina Winnica is a rural gmina (administrative district) in Pułtusk County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Winnica, which lies approximately 11 kilometres (7 mi) south-west of Pułtusk and 46 km (28 mi) north of Warsaw.
The gmina covers an area of 115.09km2, and as of 2006 its total population is 4,116 (4,100 in 2011).
Gmina Winnica contains the villages and settlements of Białe Błoto, Bielany, Błędostowo, Brodowo-Bąboły, Brodowo-Wity, Budy-Zbroszki, Domosław, Gatka, Glinice Wielkie, Glinice-Domaniewo, Gnaty-Lewiski, Gnaty-Szczerbaki, Gnaty-Wieśniany, Golądkowo, Górka Powielińska, Górki Duże, Górki-Baćki, Górki-Witowice, Kamionna, Łachoń, Mieszki-Kuligi, Mieszki-Leśniki, Nowe Bulkowo, Pawłowo, Poniaty Wielkie, Poniaty-Cibory, Powielin, Rębkowo, Skarżyce, Skorosze, Skoroszki, Skórznice, Smogorzewo Pańskie, Smogorzewo Włościańskie, Stare Bulkowo, Winnica, Winniczka and Zbroszki.
Gmina Winnica is bordered by the gminas of Gzy, Nasielsk, Pokrzywnica, Pułtusk, Serock and Świercze.