Background: Student nurses need to build up self-confidence in learning to cope with the complex clinical situations. Individuals with self-confidence be certain of themselves to have the capability to manage a situation or provide nursing care in accurate, relevant, and efficient method. Equipping student nurses to provide patients care in getting more complicated healthcare setting is a challenge face nursing instructor, self-confidence is one of the important determinants of successful learning.

Objectives: The aim of the present study is to identify the relationship between self-confidence in learning and clinical educators' characteristics by nursing students.

Method: Correlation research design was utilized in the present study. A convenience sample of 179 nursing students was included in the study. The Nursing Clinical Teacher Effectiveness Inventory and self-confidence in Learning scale were used to collect the data.

Results: The results of the study showed that the majority of study participants had high level of self-confidence in learning. Also, the participants reported that their clinical educators had high level of teaching abilities, nursing competences, and personal traits. Moreover, significant positive relationship was existed between self-confidence in learning and clinical educators' characteristics.

Conclusion: Self-confidence in learning is an essential goal in nursing education. Assessing clinical competence and investigating factors influencing it might be helpful in increasing self-confidence of nursing students.