This chapter examines the complex interplay between emotion and motivation in human behavior. It begins by exploring theories of emotion—from the James–Lange and Cannon-Bard theories to the Schachter-Singer and Cognitive Appraisal models—highlighting the challenges of measuring subjective emotional experiences and the influence of cultural and linguistic factors. The chapter distinguishes between emotion and affect, noting their roles in shaping cognition, memory, and decision-making. It also discusses how animals display emotional behavior, suggesting evolutionary continuities. The discussion then shifts to emotional regulation strategies, including cognitive reappraisal, expressive suppression, distraction, and mindfulness. With respect to motivation, key theories such as drive theory, Maslow’s hierarchy of needs, expectancy-value theory, and goal-setting theory are reviewed. The chapter differentiates between intrinsic and extrinsic motivation and explores factors such as self-efficacy and attribution processes that influence achievement motivation. Finally, it addresses the impact of social support, cultural values, and workplace dynamics on emotional experiences and motivational outcomes, underscoring the importance of these factors in personal well-being and organizational performance.