Gamō (蒲生郡 Gamō-gun?) is a district located in Shiga Prefecture, Japan.
As of September 1, 2011, the district has an estimated population of 35,629 and a density of 220 persons per km². The total area is 162.15 km².
Light blue autonomies are Gamō District's towns, deep blue autonomies are Gamō District's villages, and gray autonomies are others.
Coordinates: 35°01′37″N 136°13′12″E / 35.027036°N 136.220007°E