Mycobacterium haemophilum is a species of the phylum Actinomycetota (Gram-positive bacteria with high guanine and cytosine content, one of the dominant phyla of all bacteria), belonging to the genus Mycobacterium.

Short, occasionally curved, gram-positive, nonmotile and strongly acid-fast rods.

First isolated in Israel from a subcutaneous granuloma from a patient with Hodgkin's disease.

An environmental reservoir is presumed.

Strain ATCC 29548 = CCUG 47452 = CIP 105049 = DSM 44634 = NCTC 11185.