Logan Branch is a stream in Franklin and Gasconade County in the U.S. state of Missouri. It is a tributary of the Bourbeuse River.
The stream headwaters arise in southeast Gasconade County at 38.2197°N -91.3867°W and it flows generally to the northeast into Franklin County to its confluence with the Bourbeuse at 38.2633°N -91.3492°W.
Logan Branch has the name of a pioneer citizen.[1]