Residues of certain organochlorine pesticides namely. alpha + beta HCH, lindane, aldrine, dieldrin, endrin and DDT; and the organophosphorus pesticides (pirimiphos-methyl and malathion) were determined in home-produced potatoes used for consumption in Egypt The analyzed samples were collected during a whole year (1994) from the markets of various localities. Results concerning potatoes consumed after its storage indicated that a great number of the tested samples contained amounts of alpha + beta HCH. lindane and DDT higher than the maximum residue limits of the FAO (MRL). For -potatoes consumed directly after its lamest, Tesidues of the organochlorine pesticides were in levels under the acceptable limits. Residues of pirimiphos methyl and malathion were in all tested samples in safety limits for consumption.