Clutha District is a local government district of southern New Zealand, with its headquarters in the Otago town of Balclutha. Clutha District has a land area of 6,334.47 km2 (2,445.75 sq mi) and an estimated population of 18,900 as of June 2023. Clutha District occupies the majority of the geographical area known as South Otago.

Otago is a region of New Zealand located in the southern half of the South Island administered by the Otago Regional Council. It has an area of approximately 32,000 square kilometres (12,000 sq mi), making it the country's second largest local government region. Its population was 254,600 in June 2023.