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To determine the occurrence of <i>Enterobacter sakazakii</i> and other Enerobateriaceae in commercial powdered infant formula (PIF), 185 packages of PIF from different manufacturers, supermarkets and drug-stores in Abidjan were analyzed. Ten g of sample was homogenized in 90 ml of buffered peptone water (PBW, Biorad, Paris) for further studies. Enterobacteriaceae (coliforms) were enumerated according to French Association of Standardization methods. <i>E. sakazakii</i> was detected according to Kandhai’s method. Bacteria were identified using API20 system. Thirty-eight samples (20.5%) were positive for Enterobacteriaceae. Twenty-four samples (13%) yielded <i>Enterobacter sakazakii</i>. Other Enterobacteriaceae isolated included <i>Pantoea spp.</i> 21 (11.5%), <i>Klebsiella pneumoniae subsp. Pneumonia</i> 8 (4.3%), <i>Citrobacter diversus</i> 1 (0.5%), <i>Citrobacter freundii</i> 1 (0.5%), </i>Enterobacter cloacae</i> 1 (0.5%), <i>Salmonella reading</i> 1 (0.5%), <i>Serratia ficara</i> 1 (0.5%) <i>Serratia odorifera</i> 1 (0.5%). This study is the first report to describe the contamination of PIF from Abidjan with <i>E. sakazakii</i> and several other Enterobacteriaceae that could be opportunistic pathogens. Therefore, well-controlled studies need to be conducted to assess the extent of risk associated with contaminated PIF for infants in Abidjan

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