In the present work, the potential of an electronic nose to differentiate the geographical origin of the Moroccan virgin
olive oils based on their volatile profile was investigated. An electronic gas sensor array system composed of 6 metal
oxide semiconductor sensors was used to generate a chemical fingerprint (pattern) of the volatile compounds present
in olive oils. Multivariate statistical approach showed good discrimination between the classes of the 27-sample of
the dataset population. The results of this study provide promising perspectives for the use of a low-cost and rapid
system for the verification of geographical origin of the olive oils based on their volatile profile.