Choiseul District is one of the 10 districts of the Caribbean island nation of Saint Lucia. Located on the southwestern side of the island, the district is home to 6,130 people, according to the 2019 census. The seat of Choiseul District is the town of Choiseul.

The House of Assembly is the lower house of the Parliament of Saint Lucia, elected by popular vote. The upper house is the Senate. It has 17 or 18 members: 17 members elected for a five-year term in single-seat constituencies, and a speaker elected by the 17 members, who may be one of their number or a person chosen from outside the House. To be elected to the house, a person must be at least 21 years old.