Peacebuilding is growing as a topical area of interest to communication researchers and practitioners. Through a review of relationship management, dialogue, diplomacy, and nation‐building literatures, this entry argues that strategic communication has much to contribute to the study and practice of peacebuilding, the strategic politics of peace. An example of a university‐based peacebuilding initiative, the Purdue Peace Project explains how communication researchers and practitioners can utilize empirical knowledge and theory to inform practice and inspire peace.