Salmonella osteomyelitis occurs infrequently in healthy children and can manifest in the subacute form. This condition has only been reported in few cases previously. We report the first case of primary subacute haematogenous osteomyelitis of the calcaneum in a healthy 12-year-old child. The patient made uneventful recovery following surgical drainage and antibiotic therapy. Histology of the tissue biopsy confirmed a diagnosis of Salmonella livingstone infection. Although the diagnosis of Salmonella osteomyelitis of the calcaneum can be difficult to establish, it should be considered as an aetiological factor even in healthy children.