The Straits dollar was the currency of the Straits Settlements from 1898 until 1939. At the same time, it was also used in the Federated Malay States, the Unfederated Malay States, Kingdom of Sarawak, Brunei, and British North Borneo.

The Straits Settlements were a group of British territories located in Southeast Asia. Originally established in 1826 as part of the territories controlled by the British East India Company, the Straits Settlements came under British Raj control in 1858 and then under direct British control as a Crown colony in 1867. In 1946, following the end of the Second World War and the Japanese occupation, the colony was dissolved as part of Britain's reorganisation of its Southeast Asian dependencies in the area.