Oldenburg-Land is an Amt ("collective municipality") in the district of Ostholstein, in Schleswig-Holstein, Germany. It is situated near the Baltic Sea coast, around Oldenburg in Holstein. Oldenburg is the seat of the Amt, but not part of it.

The Amt Oldenburg-Land consists of the following municipalities:

1. Göhl
2. Gremersdorf
3. Großenbrode
4. Heringsdorf
5. Neukirchen
6. Wangels

54°18′N 10°53′E / 54.300°N 10.883°E / 54.300; 10.883