Some of the cities, towns, and places in Muhlenberg County are Beech Creek, Beechmont, Belton, Bevier, Bremen, Browder, Central City, Cleaton, Depoy, Drakesboro, Dunmor, Ennis, Frogtown, Gishton, Graham, Greenville, Gus, Luzerne, Millport, Moorman, Nelson, Nonell, Penrod, Powderly, Rosewood, South Carrollton, Weir

Muhlenberg County () is a county in the U.S. Commonwealth of Kentucky. As of the 2010 census, the population was 31,499. Its county seat is Greenville.