Nocardioidaceae is a family of Gram-positive bacteria within the class Actinomycetia.

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The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN)[2] and National Center for Biotechnology Information (NCBI)[3] Solicola Lopez Marin et al. 2023 Mumia Lee et al. 2014 Aeromicrobium Miller et al. 1991 Nocardioides species-group 3 Nocardioides species-group 2 Marmoricola Urzì et al. 2000 Nocardioides Prauser 1976 Mumia Aeromicrobium Marmoricola caldifontis Nocardioides species-group 2 Nocardioides massiliensis Marmoricola Nocardioides