Serratia fonticola is found in a variety of environments. This report describes possibly the first case of a cerebellar abscess caused by Serratia fonticola. When isolated in a mixture of organisms, it may just be a bystander but when found alone in pure culture, especially from a sterile site, its role as the causative pathogen must be recognized. We present here, a case of a cerebellar abscess in a 4 yr old with ear discharge. Both the ear discharge and the abscess pus grew Serratia fonticola. The child was treated with Piperacillin–Tazobactam in accordance with the sensitivity pattern and responded well