Fork Branch is a long 3rd order tributary to the St. Jones River in Kent County, Delaware.
According to the Geographic Names Information System, it has also been known historically as:
Fork Branch rises on the Pinks Branch and Jordan Branch divide about 0.1 miles west of Seeneytown, Delaware.
Fork Branch drains of area, receives about 44.8 in/year of precipitation, has a topographic wetness index of 654.31 and is about 10.5% forested.