List of Catholic dioceses in Thailand
# List of Catholic dioceses in Thailand

The Episcopal Conference of Thailand is composed of 2 ecclesiastical provinces, each headed by an archbishop, and 9 suffragan dioceses.

## Episcopal Conference of Thailand

### Ecclesiastical Province of Bangkok

* Archdiocese of Bangkok
   * Diocese of Chanthaburi
   * Diocese of Chiang Mai
   * Diocese of Chiang Rai
   * Diocese of Nakhon Sawan
   * Diocese of Ratchaburi
   * Diocese of Surat Thani

### Ecclesiastical Province of Thare and Nonseng

* Archdiocese of Thare and Nonseng
   * Diocese of Nakhon Ratchasima
   * Diocese of Ubon Ratchathani
   * Diocese of Udon Thani
