Dugger is a town in Cass Township, Sullivan County, Indiana, United States. The population was 920 at the 2010 census. It is part of the Terre Haute Metropolitan Statistical Area.
Dugger was settled in the late 1800s as a coal mining town.
Dugger is located at 39°4′15″N 87°15′36″W / 39.07083°N 87.26°W / 39.07083; -87.26 (39.070911, -87.260116).