Abstract This edited volume features a range of chapters from world-leading philosophers discussing the key philosophical concepts of ‘object’ and ‘property’. The chapters in the volume showcase some of the best and most state-of-the-art research concerning these crucial concepts, while also bringing into view a ‘snapshot’ of current cutting-edge work in the area, across a broad range of philosophically central sub-topics. The reader will find in-depth discussions of connected debates ranging from grounding and metaphysical explanation to reduction, truthmaking, pluralism versus monism about material objects, intrinsic versus extrinsic properties, the philosophy of colour, the mind–body problem, processual views of material objects, change, modality, persistence, and composition, to name only a few of the main areas covered herein.