The research use discriminate analysis which considered one of the important statistical methods in the classification of single observation or more for the populations under study depending on specific variables, and study the most significant financial indicators that affect in the operational risks in Iraq Banks. The study pointed to a number of conclusions among which: The concluded model was entirely efficient in predicting the operational risks in banks; just five financial ratios were statistically significant to predict the required model, which in turn were able to classify the operational risks in banks under study into (few) or (high) with (86.1%) accuracy level. The order of these ratios according to their relative importance was as follows: capital to total assets, yield on loans, debt to equity , liquid assets to total assets, investments to funding sources.