Wibaux (pronunciation: /wiːboʊ/ wee-boh) is a town in and the county seat of Wibaux County, Montana, United States. The population was 589 at the 2010 census.
Wibaux is located at 46°59′13″N 104°11′23″W / 46.98694°N 104.18972°W / 46.98694; -104.18972 (46.986991, -104.189848). It is the easternmost town in Montana along Interstate 94 and runs a rest stop/information center for motorists using the highway. According to the United States Census Bureau, the town has a total area of 1.1 square miles (2.8 km²), all of it land.
Beaver Creek runs through the town and has been known to contain large Walleye and Northern Pike.