Bremen is a city in Muhlenberg County, Kentucky, United States. The population was 365 at the 2000 census. The city was settled by German immigrants who named it after Bremen, Germany.
Bremen is located at 37°21′48″N 87°13′3″W / 37.36333°N 87.2175°W / 37.36333; -87.2175 (37.363240, -87.217510).
According to the United States Census Bureau, the city has a total area of 0.6 square miles (1.5 km²), all of it land.