In the organizational structure of the Society of St. Pius X, the district is the equivalent of a religious province, a territorial division often coinciding with the geographical boundaries of a nation.

Each district is under the supervision of a district superior, appointed by the General Superior and his council for a renewable six-year term. To him is entrusted the direction of the apostolate in his territory, according to the Statutes and spirit of the Society. He is responsible for the wise pastoral, spiritual, and temporal administration of the different apostolates: priories, schools, retreat houses, publications, associations of the faithful, etc. His main task is the care for the communities of priests working in the district.

In 2014 there are 14 districts established: Africa, Australia, Austria, Asia, Belgium and Netherlands, Canada, France, Germany, Italy, Mexico and Central America, United Kingdom and Ireland, United States, South America and Switzerland.