This article examines legal cultural and other factors influencing the resistance to mediating commercial disputes displayed by U.S. and Latin American lawyers. After surveying current contexts in which commercial mediation occurs in the United States and in Latin American countries and summarizing data regarding commercial actors’ knowledge of the benefits of mediating, it analyzes the relatively infrequent use of mediation despite its potential advantages over adjudicating. Focusing on lawyers, the article next explores factors that influence U.S. and Latin American lawyers when they converse with commercial clients about selecting dispute resolution methods.