Frontier war may refer to:
* The
Xhosa Wars
The Xhosa Wars (also known as the Cape Frontier Wars or the Kaffir Wars) were a series of nine wars (from 1779 to 1879) between the Xhosa Kingdom and the British Empire as well as Trekboers in what is now the Eastern Cape in South Africa. T ...
, (1779–1879) also known as the Cape Frontier Wars;
* The
Australian frontier wars, (1788–1934)
* The
Western theater of the American Revolutionary War
The Western theater of the American Revolutionary War (1775–1783) was the area of conflict west of the Appalachian Mountains, the region which became the Northwest Territory of the United States as well as what would become the states of Ken ...
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