Self-awareness is a crucial component of effective leadership. Leaders who are self-aware exhibit an understanding of their strengths and limitations, as well as an ability to manage their emotions and those of their team members. Heightened self-awareness and understanding of oneself and others can have benefits in terms of increasing confidence and enhancing communication. Moreover, nurse leaders and managers need self-awareness to identify their strengths and weaknesses, navigate complexities, foster positive relationships and cultivate a culture of continuous improvement. This article defines self-awareness, discusses its importance for nurse leadership and identifies various tools and methods that nurses can use to develop their self-awareness.