Hamilton Creek is a stream in Crawford and Washington counties in the U.S. state of Missouri. It is a tributary of the Meramec River.
The stream headwaters arise just west of Missouri Route 155 and about one mile north of Pea Ridge and the Pea Ridge Mine (at 38.1386°N -91.0442°W). The stream flows to the northwest to enter the Meramec in eastern Crawford County just west of the Washington-Crawford county line (at 38.1789°N -91.0969°W).[1]
Hamilton Creek was formerly called Hamilton Branch; the namesake of the creek is unknown.[2]