Broad Mouth Branch is a 2.69 mi (4.33 km) long 1st order tributary to the Deep River in Randolph, North Carolina.

This is the only stream with this name in the United States according to the US Geological Survey.

Broad Mouth Branch rises in a pond on the Back Branch divide about 2.5 miles northeast of Coleridge, North Carolina in Randolph County, North Carolina and then flows southwesterly to join the Deep River about 1 mile north of Coleridge, North Carolina.

[2] Broad Mouth Branch drains 2.15 square miles (5.6 km2) of area, receives about 47.3 in/year of precipitation, and has a wetness index of 383.09 and is about 50% forested.

This article related to a river in North Carolina is a stub.