Gmina Sypniewo is a rural gmina (administrative district) in Maków County, Masovian Voivodeship, in east-central Poland. Its seat is the village of Sypniewo, which lies approximately 21 kilometres (13 mi) north-east of Maków Mazowiecki and 89 km (55 mi) north-east of Warsaw.
The gmina covers an area of , and as of 2006 its total population is 3,528 (3,479 in 2011).
Gmina Sypniewo contains the villages and settlements of Batogowo, Biedrzyce-Koziegà Âowy, Biedrzyce-Stara Wieà Â, Boruty, Cheà Âchy, Chojnowo, Dylewo, Gàsewo Poduchowne, Glàcka, Glinki-Rafaà Ây, Jarzyà Ây, Majki-Tykiewki, Mamino, Nowe Gàsewo, Nowy Szczeglin, Olki, Poà ÂwiÃÂtne, Rawy, Rzechówek, Rzechowo Wielkie, Rzechowo-GaÃÂ, Sà Âawkowo, Stare Glinki, Strzemieczne-SÃÂdki, Sypniewo, Szczeglin Poduchowny, Zalesie, Zamoà Âàand Ziemaki.
Gmina Sypniewo is bordered by the gminas of Czerwonka, Krasnosielc, MÃ Âynarze, Olszewo-Borki and PÃ Âoniawy-Bramura.