Groß Ippener is a municipality in the district of Oldenburg in Lower Saxony, Germany. The municipality consists of the sub-municipalities of Groß Ippener, Klein Ippener, Annen and Ortholz. To the North it borders the town of Delmenhorst, to the east the municipality of Stuhr, to the southeast the municipality of Kirchseelte, to the south the municipality of Dünsen, to the southwest the municipality of Harpstedt and to the west the municipality Prinzhöfte.