This paper reports on a study that investigated the beliefs about language learning of 120 Iranian EFL students and 16 EFL teachers. The primary aim of the study was to reveal whether there was any difference between the beliefs of Iranian students and teachers regarding different aspects of language learning such as grammar teaching, error correction, culture, target language use, computer-based technology, communicative language teaching strategies and assessment. Data were collected using a 24-item questionnaire. It was concluded that there were some differences between the Iranian students' and teachers' beliefs regarding what procedures were most effective in bringing about language learning. Discussion of the findings and implications for further research are also articulated.