The main objective of the research is to shed light on the competitive position of Egyptian potato exports and the most important countries competing in the export of onions during the period (2002 - 2017) in the most important export markets. The results show that Egypt has a relatively high comparative advantage of potato exports compared to the rest of the exporting countries with an average of about 18.7 in the period (2002-2017), which indicates that there is an opportunity to expand and increase Egypt's potato exports to the world. .A study of the geographical distribution of Egypt's potato exports revealed that the Russian market ranked first in quantity and value of Egypt's onion exports. Followed by the Italian market in that period. According to the market share, Egypt occupies the first place among the major exporters of potato for the Russian market, accounting for 29.3% of the Russian market and about 7.4% of the Italian market. The relative increase in potato production for Egypt compared to the most competitive countries in the Russian market and the Italian market. The index of the market penetration of Egyptian potato in these markets indicated that Egyptian exports to these markets could increase. Potato demand was also estimated in the most important markets for the Egyptian potato, the Russian market and the Italian market. The most important determinants of demand for Egyptian potatoes in the Russian market, which has a positive impact of positive, The export price of Azerbaijan Potato to the Russian market in dollars, While there was a significant inverse correlation between the amount of Egyptian potato exports to the Russian market and the price of Egypt's potato exports to the Russian market in dollars, while the determinants of demand for potatoes in the Italian market, which have a negative impact of significance. Italian imports of potatoes from other countries, Italy's production of potatoes, these factors were statistically significant.