The research aimed mainly at measuring the economic efficiency of the orange crop producers in Nubaria western region, Arab Republic of Egypt, using The Application of Data Envelopment Analysis for the study sample, the research found a range of results including the following: The fruitful area of orange amounted to about 247.5 thousand faddan, on average, at the level of the Republic during the period of study (2003-2015). orange production amounted to 2411.6 thousand tons, on average, at the level of the Republic during the study period. Average productivity of faddan reached about 9.9 tons during the study period The average quantity of oranges losses amounted to about 296,620 tons during the study period. Available quantity of consumption from oranges attained about 1752.8 thousand tons on average during the study period. The average of technical efficiency for orange crop producers in the research sample in year of 2015, totaling 80 farms have amounted to about 0.835. To farmers as units they can make a decision to increase the amount of production by about 5.16% without any increase in the value of the inputs used Mordah. The average of a locative efficiency for the orange crop producers in the research sample for year of 2015, totaling 80 farm has reached about 0.986 and this is an indication that farmers make a decision as units they can increase the amount of production by about 4.1% without any increase in the value of the resource inputs used. The average of economic efficiency attained about 822, they can increase the amount of production by about 8.17% without any increase in the value of there source inputs used, indicating a lack of efficiency.   10. The most important productivity problems is the spread of nematodes, the spread of scale insect, increase in the production and the scarcity of water input prices. 11. The most important marketing problems is the decline in finished product selling price, traders and brokers control the prices, after the markets for production areas. 12. Find recommended: the need for state intervention to support production requirements, the final product selling prices, create marketing associations, and contract farming.