One of the defining characteristics of inland fisheries is their connection to other essential human activities, such as hydroelectricity generation, irrigated agriculture, and transportation, which rely on the same fresh or brackish water ecosystems. Starting with the premise that an understanding of fisheries' interactions with these non-fishery sectors is in itself critical for achieving fisheries sustainability, this introductory chapter explores the topic of intersectoral governance and outlines an approach to examining the intricate and often challenging sector relationships.