Process philosophy is predicated on the key idea that phenomena are relational and constantly evolving. This view presents a challenge to the substance metaphysics that have dominated Western thought for centuries. While process philosophy and postdigital theory share many similarities, the variable interpretation and application of these respective terms can make direct comparisons challenging. However, it is possible to identify common themes and historical sources of influence by which process- and process-adjacent theories might be located within current trajectories of postdigital research.