Introduction: Social support has been recognized as having a strong impact on health and well-being and has also been shown to have beneficial effects in a wide variety of disease states. Social support from friends, family or peers can augment the care offered in traditional healthcare settings by providing advice, encouragement and education However, there is limited research on the impact of peer-led support programs among women living with cardiovascular disease (CVD). Objective: To examine the relationship between patient activation and measures of social support among women who attended a WomenHeart: The National Coalition for Women with Heart Disease peer-led support program in their local community. We hypothesized that high levels of social support would be associated with high levels of patient activation in this study population. Methods: Participants were recruited from 50 national WomenHeart Support Network groups. A 70 item, online survey was administered and the main analytic sample for this study included 157 women. Multivariable logistic regression was used to examine the association between patient activation levels (Lower activation levels: 1,2 vs higher activation levels: 3,4) and social support scores (range: lowest 8 to highest 34), adjusting for age. Results: Study participants reported high levels of social support and patient activation. Those who were at or above the median for the social support measures (indicating high levels of social support) had greater odds of high levels of patient activation (levels 3 or 4) compared to individuals reporting low levels of social support (OR 2.23 95%CI1.04, 4.76, p = 0.012). Conclusions: Results of our survey demonstrate that this group of women with coronary heart disease who regularly attended a peer-led support group and indicated a high level of social support report taking a more active role in self-management behaviors.