Ancient Greek rhetoric gave rise to and contributed to the (initial) development of many terms that even today attract the interest of philosophers and rhetoricians round the globe. Among those terms is logos, perhaps most characteristically described by Aristotle in his Rhetoric. But Aristotle is not the sole ancient Greek representative of rhetoric who considered the term. In this essay, I explore how selected ancient Greek figures—i.e. the Sophists, Socrates, Plato, and a few others—understood logos in the context of rhetoric. I assert that, despite some differences, they essentially viewed the term similarly, as connected to discourse involving argumentation intended to exert influence for socio-political or philosophical purposes.