We consider the role of codes of ethics in social marketing, distinguishing between procedural ethics and ethics-in-practice (after Guillemin & Gillam, 2004). We review foundations for procedural ethics -formal systems for ethical oversight-including moral and political philosophy, existing codes of ethics, and previous proposals for codes of ethics for social marketing. We then discuss ethics-in-practice, the ethical dimensions of the small moments that comprise everyday life. We connect this idea to Aristotle\u27s concept of phronesis, the practical wisdom to respond in just the right way to particular situations. Supporting the ethical practice of social marketing will require both procedural ethics and ethics-in-practice, iterati...