The 3 arrondissements of the Loir-et-Cher department are:[1]
- Arrondissement of Blois, (prefecture of the Loir-et-Cher department: Blois) with 93 communes.[2] The population of the arrondissement was 150,805 in 2016.
- Arrondissement of Romorantin-Lanthenay, (subprefecture: Romorantin-Lanthenay) with 74 communes.[3] The population of the arrondissement was 112,145 in 2016.
- Arrondissement of Vendôme, (subprefecture: Vendôme) with 100 communes.[4] The population of the arrondissement was 69,819 in 2016.