Paying attention to body sensations has been associated with many positive outcomes such as increased subjective well-being, enhanced emotion regulation, and reduced symptom reports. Furthermore, body awareness has an important therapeutic utility in the treatment of various psychological ailments. Despite its importance in mental health, there is very little research on body awareness during adolescence and young adulthood – important developmental periods characterized by bodily changes and the development of one’s relationship to one’s body. Therefore, the present qualitative study sought to explore how body awareness is understood, experienced, and described by adolescents and young adults. Four online focus groups were conducted with young people between the ages of 14 and 24 (N = 20). Thematic analyses revealed a multidimensional and highly contextualized understanding and experience of body awareness in this age group. In general, young people reported mainly attending to intense and unpleasant body sensations with a particular attitude (e.g., accepting or avoidant) depending on the type of sensation, leading to a variety of cognitive, emotional, and behavioral reactions to these sensations. These processes were embedded in an underlying schema of beliefs about body awareness and an overarching physical and socio-cultural context. Results further revealed a more nuanced experience and understanding of body awareness in women and in young adults. The present findings can be used as a foundation for the development of body awareness theoretical frameworks and self-report instruments for youth and can aid the generating of hypotheses for future research on body awareness in this age group.