This edited collection delivers contemporary international perspectives on the critical relationship between physical activity, exercise, and mental health, providing essential insights for researchers, practitioners, and stakeholders committed to promoting psychological well-being through movement. Bringing together leading researchers and practitioners in exercise and physical activity psychology, this book covers a wide range of topics, including the effects of physical activity on mood, anxiety, and cognitive function, as well as personal experiences of body image and weight in physical activity contexts. It also explores the promotion of physical activity and exercise around the world, as well as the role of psychology professionals in promoting physical activity. Each chapter features contributions from international experts who examine research implications through diverse cultural and social lenses, offering nuanced insights into how physical activity influences mental well-being across different populations and contexts. Offering a comprehensive and accessible resource on the links between physical activity, exercise and mental health, this is an important volume for students, researchers, and practitioners of exercise and physical activity psychology across the globe.