The arrondissement of Laon is an arrondissement of France in the Aisne department in the Hauts-de-France region.

[2] Its population is 154,021 (2021), and its area is 2,175.3 km2 (839.9 sq mi).

[3] The communes of the arrondissement of Laon, and their INSEE codes, are:[2] The arrondissement of Laon was created in 1800.

[5] As a result of the reorganisation of the cantons of France which came into effect in 2015, the borders of the cantons are no longer related to the borders of the arrondissements.

The cantons of the arrondissement of Laon were, as of January 2015:[6]