Work engagement is a positive psychological state that includes vigor, dedication, and absorption in one’s tasks and work. This entry provides an overview of work engagement, including how work engagement is conceptualized as an indicator of eudaimonic wellbeing; and what the more relevant predictors of work engagement are, classified in healthy organizational practices, as well as job and personal resources. Consequences of work engagement are also considered, including mainly creativity and innovation, task and extra-role performance, and organizational commitment. Finally, evidence on positive psychological interventions is highlighted, noting that fostering a positive work environment can drive individual and organizational success. As organizations prioritize employee well-being, they can cultivate a workplace culture that thrives on positivity and productivity, reaping the benefits of more engaged, high-performing employees.