The present study aims to find out the relationship between the Neuroticism trait and English Language Learning Strategies (ELLSs) for learners of English as a foreign language. Four instruments were used, which were Persian adapted Strategy Inventory for Language Learning (SILL), 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 there is significant relationship between the Neuroticism trait and use each of four of the six categories of ELLSs (Memory Strategies, Cognitive Strategies, Metacognitive Strategies, and Social Strategies).