Rather than attempting to survey the rich array of topics within Philosophy of Linguistics, this article focuses on two questions: “What kind of thing is Linguistics about?” and “What is the proper evidence-base for Linguistics?” After describing various exclusionary answers, it argues for Pluralism on both fronts: the objects of study in Linguistics are metaphysical hybrids, with physical, mental, abstract and social facets; and evidence from every domain should in principle be welcomed.