Purpose: This article presents perspectives on the review of eight major theories of leadership in comparison to the competency approach. Also, the definitions, significance, and benefits of the leadership competency concept are also highlighted. Methodology: A review of the various published literature on the major leadership theories, the competency theory, and the related topics on the scope of the study. Results: The findings of the review show the significance and relevance of the leadership competency approach as a viable leadership option for the 21st century- leadership. Leadership for best practice continues to evolve due to the changing leadership landscape. The literature states that newer theories will eventually replace o...