Karongi is a district (akarere) in Western Province, Rwanda.

However, it comprises Kibuye, provincial capital and a major Rwandan lakeside resort.

It is one of the districts with the lowest population density of 380 inhabitants per square kilometre (980/sq mi) as of the 2022 census.

There are many resorts and hotels which have been built in recent years outside the town of Kibuye, most of which are on the shores of Lake Kivu.

The Karongi district is divided into 13 sectors (imirenge): Bwishyura, Mutuntu, Rubengera, Gitesi, Ruganda, Rugabano, Gishyita, Gishari, Mubuga, Murambi, Murundi, Rwankuba and Twumba.