Natrialbales is an order of halophilic, chemoorganotrophic archaea within the class Haloarchaea. The type genus of this order is Natrialba.

The name Natrialbales is derived from the Latin term Natriabla, referring to the type genus of the order and the suffix "-ales", an ending used to denote an order. Together, Natrialbales refers to an order whose nomenclatural type is the