Stourpaine (/staʊərˈpeɪn/) is a village and civil parish in the ceremonial county of Dorset in southern England.

It is situated in the valley of the River Stour in the Dorset administrative district, three miles (five kilometres) northwest of Blandford Forum.

The chalk hills of Cranborne Chase and the Dorset Downs lie immediately northeast and southwest respectively.

[2] It was the original site of the Great Dorset Steam Fair, which has been held at nearby Tarrant Hinton in more recent years.

The joint benefice of Pimperne, Stourpaine, Durweston and Bryanston is in the Church of England Diocese of Salisbury.