Ethical issues in marketing have a wide area of research and range from use of Brain mapping in consumer Behaviour studies to marketing of products like Biobanks and Contraceptives; from medical representatives of pharmaceutical companies offering free gifts to doctors as sales promotion tools to marketing of food items involving insects and cell-based meat. Aim of this paper is to do the bibliographic literature review in terms of the research this field from 1972 to 2023. There are five research questions aimed at exploring the bibliographic knowledge base of research in this field and exploring the main areas of research in various studies. It has been observed that there has been a shift in literature from descriptive ethics to applied ethics. The research has evolved from conceptual themes to practical issues concerning morality of actions. The bibliometric analysis was done for 1173 research papers with 24000 citations using Vos-Viewer software.