Introduction: Public health and primary care are often conceived as two entities providing complementary services within the health system. This scoping review aims to better understand how the two sectors interact by identifying their shared functions, and by identifying organizational models that could facilitate the interaction between the two domains. Methodology: We conducted a review of published literature using PubMed and CINAHL journal indices. Our search yielded 179 articles. We reviewed abstracts and retained 55 relevant articles. We developed an extraction grid, based on a conceptual framework of functions of public health and primary care, in order to evaluate the relevance of selected articles, classify the information according to their functional connection, and identify interactions between them. Results: Our search identified various activities through which public health can contribute to more effective primary care, and functions usually performed by primary care that seemed to support a population health approach. Most authors identified screening and immunization as actions that are carried out in primary