Gmina Świecie nad Osą is a rural gmina (administrative district) in Grudziądz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. Its seat is the village of Świecie nad Osą, which lies approximately 23 kilometres (14 mi) east of Grudziądz and 56 km (35 mi) north-east of Toruń.

The gmina covers an area of 94.67 square kilometres (36.6 sq mi), and as of 2006 its total population is 4,253.

Gmina Świecie nad Osą contains the villages and settlements of Białobłoty, Bursztynowo, Dębniaki, Karolewo, Kitnówko, Linowo, Lisewo-Zamek, Lisnówko, Lisnowo, Mędrzyce, Nowy Młyn, Partęczyny, Rychnowo, Świecie nad Osą, Szarnoś and Widlice.

Gmina Świecie nad Osą is bordered by the gminas of Biskupiec, Gruta, Jabłonowo Pomorskie, Książki, Łasin and Radzyń Chełmiński.

• Polish official population figures 2006