Ungarra is a small agricultural based town located on the Eyre Peninsula, in the Australian state of South Australia about 248 kilometres (154 mi) from the state's capital, Adelaide and around 80 kilometres (50 mi) north of Port Lincoln. At the 2006 census, Ungarra had a population of 241.

The name 'Ungarra' is derived from a nearby waterhole of the same name which is located just to the south of the township. It has a Mediterranean climate and receives on average just over 400mm of rainfall every year.

Settlers started farming the area in the early 1900s as the Eyre Peninsula Railway from Port Lincoln reached Ungarra in 1909. This provided an incentive for the clearing of what was generally mallee/Melaleuca mix of native vegetation for the growing of wheat. This railway is still in operation and the branchline extended to Buckleboo but now is only operational to Kimba. An important local historic location in the nearby Moody Rock and Tanks where water was collected from a natural outcropping of granite and stored in a large tank for the require water for steam trains. This site is located within the Moody Tank Conservation Park. Moody Rocks Water Tank is listed on the South Australian Heritage Register.

The Ungarra Memorial Park is located at the southern entrance to the township, containing an old windmill as a memorial to the early colonial settlers of the area. In its heyday, Ungarra sported a bank, a bakery, a school up to year 10, and general store and two churches. While the buildings for many of these enterprises still stand, only the school (R-7) and one of the churches is still in operation. The former bank is now located at the Koppio Smithy Museum at Koppio. The agricultural production around the area has expanded from the original wheat and now includes barley, lupins, faba beans, field peas and canola. There are also livestock industries, particularly sheep-based.

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