The Purchase Tax was a tax levied between 1940 and 1973 on the wholesale value of luxury goods sold in the United Kingdom. Introduced on 21 October 1940, with the stated aim of reducing the wastage of raw materials during World War II, it was initially set at a rate of 33.33%.

The tax was subsequently set at differing rates dependent upon individual items' degree of "luxury" as determined by the government of the