This chapter examines how learning and development theories can be practically applied to enhance employee motivation. The chapter delves into various theories including adult learning, behavioral, cognitive, social learning, experiential learning, human resource development (HRD), and systems theory, and highlights their roles in shaping employee behavior and learning processes. The key constructs, strengths, limitations, and areas of applicability of these theories are discussed, emphasizing their potential to drive individual and organizational growth. By understanding and effectively applying these theories, organizations can design tailored training and development programs that cater to diverse learning needs, foster employee engagement, and promote a positive organizational culture. HR and learning and development professionals need to have a solid grasp of these theories to design training programs that address specific learning needs and promote positive outcomes. By leveraging theoretical frameworks, organizations can cultivate a culture of continuous learning and improve employee engagement and motivation.