Haloferacaceae is a family of halophilic, chemoorganotrophic or heterotrophic archaea within the order Haloferacales.

The name Haloferacaceae is derived from the Latin term Haloferax, referring to the type genus of the family and the suffix "-ceae", an ending used to denote a family.

Together, Haloferacaceae refers to a family whose nomenclatural type is the genus Haloferax.

[1] The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[5] and National Center for Biotechnology Information (NCBI).

[6] Natronoarchaeaceae Haloparvum * Halopenitus Halorubrum Salinirubrum Halalkaliarchaeum Halolamina Halobaculum Haloplanus * Halalkalirubrum Natronocalculus Halohasta Halonotius Halogranum * Halobium Halegenticoccus * Haloprofundus * Salinigranum Haloferax * Halopelagius * Halogeometricum * Halobellus * (incl.