Background: Clinical instructors are vital in teaching learning process of nursing students. Their teaching behaviors are of interest for the students; as students' knowledge, skills and attitudes are formed during clinical training that prepare them for their future roles of caring patients with high quality; so we need to study student's motivation for learning in relation to teaching behaviors of clinical instructors. Aim of Study: To assess the relationship between teaching behaviors of clinical instructors and students motivation for learning as perceived by nursing students. Subjects and Methods: A descriptive correlational cross sectional design was utilized to collect data from fourth year nursing students (140 students) at the Faculty of Nursing, Al-Azhar University. Data was collected by using two tools: Nursing Clinical Teacher Effectiveness Inventory (NCTEI) and nursing student's motivation questionnaires. Results: There was motivation for learning among nursing students in relation to teaching behaviors of clinical instructors as students perceived that nursing competencies of their clinical instructors had priority in relation to their motivation for learning. Conclusion: We can conclude from this study that there was positive relation between teaching behaviors of clinical instructors and student's motivation for learning. Recommendations: Orientation program should be prepared for newly clinical instructors according to student's needs. Periodic clinical instructors' evaluation is necessary to evaluate their behaviors, incorporate behaviors needed into practice.