Emotional regulation, a key facet of emotional intelligence, plays a vital role in psychological health and social functioning. Cross-cultural studies, such as the ones summarized in this chapter. Reveal that emotional regulation is shaped more by cultural learning than innate neurobiology. For instance, East Asians suppress both positive and negative emotions, while Americans mainly suppress negative ones—though physiological data show suppression across cultures regardless of self-report. Collectivist cultures, emphasizing social harmony, foster Emotional Competence and adaptive suppression strategies. Emotional regulation is also influenced by cultural dimensions like power distance, uncertainty avoidance, and masculinity-femininity. Parenting styles further impact emotional regulation, with authoritative parenting linked to better outcomes across cultures. Additionally, cultural norms affect how emotional suppression influences well-being, with collectivists showing resilience to its negative effects. Emotional regulation emerges as a culturally conditioned skill, shaped by values, beliefs, and social expectations. These findings underscore the importance of understanding cultural contexts to fully grasp emotional regulation and its implications for well-being. Disclaimer: The summaries in this chapter were generated from Springer Nature publications using generative AI. The content was curated by the editor to meet Springer Nature publication standards. As the constituted sentences are machine-created, they may not fully reflect the body of the work, so we strongly advise that the original content is read and cited.