In order to determine the hygienic quality of milk and dairy products in some Egyptian markets, 150 samples, 30 each of : Raw milk,Kariesh cheese, Feta cheese, small scale yoghurt and large scale produced yoghurt, were randomly collected from different dairy shops and supermarkets in Giza, Cairo and Fayoum governorates, Egypt. Collected samples were examined microbiologically for the presence of coliforms group. Coliforms proved to be present in 100%, 86.7% and 96.7 % of examined samples of raw milk, Kariesh cheese and Small Scale yoghurt with a mean count of 13 x 104 ±7.7 x 104 , 90 x 104 ± 50.5 x 104 and 20 x 107 ± 7.5 x 107 MPN/ml. or g. respectively, while coliforms failed to be detected in fata cheese
and large scale yoghurt samples.The identification of the isolated strains (78) revealed the presence of 6 different species of coliforms.The economic and public health significance, as well as, the preventive control measures of contamination of dairy products with coliforms were discussed