The Desulfobulbales are an order of anaerobic bacteria within the phylum Thermodesulfobacteriota. It is the only order in the class Desulfobulbia. The order Desulfobulbales contains several lineages of bacteria capable of sulfur oxidation.
The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI).