The 2 arrondissements of the Tarn department are:[1]
- Arrondissement of Albi, (prefecture of the Tarn department: Albi) with 163 communes.[2] The population of the arrondissement was 191,150 in 2016.
- Arrondissement of Castres, (subprefecture: Castres) with 151 communes. The population of the arrondissement was 195,298 in 2016.