According to some observers, Southeast Asian Islam is undergoing a conservative turn. This means voices that champion humanist, progressive or moderate ideas are located on the fringes of society. Is this assessment accurate for a region that used to be known for promoting the "smiling face of Islam"? Alternative Voices in Muslim Southeast Asia examines the challenges facing progressive voices in Indonesia, Malaysia and Singapore today. It examines their discourses, which delve into how multiculturalism and secularism are the way forward for the diverse societies of these three countries. Moreover, it analyses the avenues employed by these voices in articulating their views amidst the dominance of state and quasi-state religious officials who seek to restrict and discipline them.