Ambiguity is a pervasive aspect of contemporary societies. How can we meaningfully study the concept? In this forthcoming Cambridge Element, I present and discuss the main trajectories in the evolution of the concept of ambiguity and the most relevant theoretical contributions developed around it. I specifically elaborate on both the intrinsic perspectives on ambiguity as an inherent part of organizational decision-making processes and the more recent strategic perspectives on discursively constructed strategic ambiguity. The Element helps illuminate the path ahead of organizational scholars and offers new avenues for future research.