Staphylococcus caprae is a Gram positive, spherical bacteria and a member of the genus Staphylococcus. S. caprae is coagulase-negative. It was originally isolated from goats ("caprae" means "of a goat") but members of this species have also been isolated from human samples.

S. caprae occurs as a commensal on human skin, but has also been implicated in infections of the bloodstream, urinary tract, bones and joints. Because S. caprae is difficult to identify definitively in the laboratory, it is likely that it occurs more often than the medical literature suggests.

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