Arrondissement of Saint-Omer

Saint-Omer
Location within the region Hauts-de-France
CountryFrance
RegionHauts-de-France
DepartmentPas-de-Calais
No. of communes89
SubprefectureSaint-Omer
Area
813.0 km2 (313.9 sq mi)
Population
 (2023)
128,316
 • Density157.8/km2 (408.8/sq mi)
INSEE code625

The arrondissement of Saint-Omer is an arrondissement of France in the Pas-de-Calais department in the Hauts-de-France region. It has 89 communes. Its population is 129,124 (2021), and its area is 813.0 km2 (313.9 sq mi).