  A ‘reasons externalist’ is someone who rejects reasons internalism, maintaining that at least some reasons for action are not connected to motivation in the way reasons internalism claims. However, since there are many different internalist theses about the way in which reasons and motivation are related, there is no clear and unambiguous question of whether reasons externalism is correct. Philosophers generally describe their views as ‘externalist’ if they reject any thesis they consider to involve an interesting and controversial dependence of reasons on facts about motivation; it is most likely not fruitful to try here to adjudicate which theses these are. Externalists need not deny that reasons are commonly connected to facts about motivation, but they can attribute these connections to desires or dispositions that some agents have while others lack.