This report provides an in-depth exploration of five prominent leadership theories: trait, behavioral, contingency, skills, and situational leadership. The trait leadership theory, as the oldest modern theory, focuses on innate qualities and characteristics that distinguish leaders from followers, with examples like self-confidence and determination. Behavioral leadership emphasizes the actions and behaviors of leaders, highlighting skills like human, technical, and conceptual abilities, as well as the importance of communication and motivation. Contingency leadership examines the interplay between a leader's personality and the situation, differentiating between task-motivated and relationship-motivated styles, and the importance of matching leadership style to the environment. Skills leadership focuses on the development of specific skills, such as human, conceptual, and technical skills, that contribute to effective leadership, emphasizing that anyone can become a leader through skill development. Lastly, situational leadership highlights the adaptability of leaders, who adjust their style to fit the needs of the situation and their followers, including styles such as directing, coaching, participating, and delegating. Each theory is illustrated with examples and supported by academic references to provide a comprehensive understanding of leadership approaches.