Summary: This paper contains case studies on market development projects in conflict and crisis-affected environments. Using information drawn from 13 case studies in a variety of countries, the paper outlines the challenges of adapting market development programs to these environments. It ends with a lessons learned section covering: timing, effectiveness, funding, market assessments, grants, importance of political economy, and capacity building. Relevance: This paper provides a thorough introduction to the issues involved in coordinating economic recovery projects and relief programming, including recent examples of practitioner experience. The paper does not provide specific tools which can be used and adapted by practitioners or donors but contains a list of issues to consider and lessons learned thus far.