Rewilding has become established as a new mode of nature conservation. Until recently, cities and the urban were neglected by rewilding discourse; the idea of urban rewilding seen as oxymoronic. Of late, however, there has been a shift, with growing enthusiasm amongst metropolitan authorities, civil society, and citizens in major cities. Noting a dearth of research on urban rewilding, this paper proffers an agenda for future geographical research into this emerging mode of urban nature conservation.