The present study aims to find out the influence of personality traits on the choice and use of Memory English Language Learning Strategies (MELLSs) for learners of English as a foreign language, and the role of personality traits in the prediction of use of such Strategies. Four instruments were used, which were Adapted Inventory for Memory English Language Learning Strategies based on Memory category of Strategy Inventory for Language Learning (SILL) of Rebecca L. Oxfords (1990), A Background Questionnaire, NEO-Five Factors Inventory (NEO-FFI), and Test of English as a Foreign Language (TOEFL). Two hundred and thirteen Iranian female university level learners of English language as a university major in Iran, were volunteer to participate in this research work. The intact classes were chosen. The results show that however, there is a significant relationship between four traits of personality and the choice and use of MELLSs, but personality traits cannot be as a strong predictor with high percent of contribution to predict the choice and use of the MELLSs. (Contains 5 tables.)