Aflatoxins and ochratoxin A are mycotoxins produced by fungi belonging to the Aspergillus and Penicillium genera. The present study was carried out to study the natural occurrence of aflatoxins (AFS) and ochratoxinA (OA) in 90 nut samples collected from Tripoli, Libya during 2013 were determined by using a high-performance liquid chromatography technique. Aflatoxins B1, B2, G1 and G2, in the local market in Tripoli Libya during summer, 2013. Natural occurrence of aflatoxin B1, B2, G1 and G2 in almonds, Br. almonds, hazelnuts, cashews, walnuts and peanuts samples collected from local market in Tripoli. | Natural incidence of aflatoxins and ochratoxin a nuts collected from local market in Tripoli