The Kingdom of Saudi Arabia has a high number of foreign workers, especially those coming from endemic areas with intestinal parasites. The participating foreign workers (FWs) were from a variety of countries. Eleven species of intestinal parasites (nine helminthes and two protozoa) were identified, with an overall prevalence of 50 (31%), out of 160 FWs. The predominant parasite was Entamoeba histolytica, which was observed in 12 samples (24%), followed by Enterobius vermicular is in 8 samples (16%), 6 (12%) for each of Giardia and Ascaris lumbricoides, 5 (10%) for Ancylostoma dudenale, 4 (8%) for Hymenolepis nana, 3 (6%) for Schistosoma mansoni and 2 (4 %) for each of Taenia species and Heterophyes and 1 (2%) for each of Strongyloides stercoralis and Dipilidium caninum. Also the Distribution of detected parasites according to nationalities was studded; 12 (24%) of IPs were found in FWs from India, followed by 9 (18%) from Bangladesh, 6 (12%) from Philippine, 5 (10%) from Egypt, 5 (10%) from Pakistan, 3 (6%) from Sudan, 2 (4%) from Yemen and 8 (16%) from others.