Political philosophers have long been exercised by the problem of political obligation. Many have tried to solve it, and others, more recently, have dismissed it as a pseudo-problem which cannot be solved and need not be posed. This essay is an attempt to clarify the problem of political obligation and to see why it is a problem. My argument, briefly, is that the traditional understanding of the problem is misleading because it fails to distinguish questions of obedience from questions of obligation. When it is properly stated the problem can be solved–in principle, at least–and I try to show what form a solution will take.