Laon
Arrondissement
Location within the region Hauts-de-France
Country	France
Region	Hauts-de-France
Department	Aisne
No. of communes	240
Prefecture	Laon
Area	2,175.3 km2 (839.9 sq mi)
Population  (Jan. 2019)[1]	155,351
INSEE code	022

The arrondissement of Laon is an arrondissement of France, in the Aisne department, Hauts-de-France region. Its capital, and the Prefecture of the department, is the city of Laon.

When the Aisne department was created on 1800, the arrondissement of Laon was part of that original department.^[2]

The arrondissement of Laon is the central arrondissement of the Aisne department. It is bordered to the northwest by the Saint-Quentin arrondissement, to the northeast by the Vervins arrondissement, to the east by the Ardennes department, to the southeast by the Marne department, to the south by the Soissons arrondissement, to the southwest by the Oise department and to the northwest by the Somme department.

The arrondissement of Laon is the largest arrondissement of the department both in area, 2,461.3 km² (950.3 sq mi), and in population (165,489 inhabitants).

After the reorganisation of the cantons in France,^[3] cantons are not subdivisions of the arrondissements so they could have communes that belong to different arrondissements.

The cantons of the arrondissement of Laon are:

The arrondissement of Laon has 244 communes; they are (with their INSEE codes)ː^[4]

The communes with more inhabitants in the arrondissement are:

• Arrondissements of the Aisne department
• List of arrondissements of France

49°34′N 3°37′E / 49.567°N 3.617°E / 49.567; 3.617