大洋洲滨藜（学名：Atriplex nummularia）为苋科滨藜属的植物。分布在大洋洲、**等地。

Atriplex nummularia is a species of saltbush known by the common names old man saltbush, bluegreen saltbush, and giant saltbush. It is native to Australia, occurring in Western Australia, South Australia, the Northern Territory, Victoria, New South Wales, and Queensland. It has been exported to other areas of the globe for various uses and was introduced to parts of the American desert southwest and northern Mexico, possibly for use as a soil stabiliser, It pollinated via wind where it lets off a dust like-pollen Domestic grazing animals will eat the sturdy shrub, which is adapted to arid environments with saline soils, so it is used as an animal forage in such habitats. It is widely used as a forage crop in Tunisia and Namibia. The plant is generally palatable to grazing animals, but the palatability can be limited by the concentration of salt in the plant tissues as the plant takes in water from saline soils.