Welling United Football Club are an English football club, based in Welling in the London Borough of Bexley.
The club was founded in 1963 and began as a youth team playing in the Eltham & District Sunday League on a park pitch from 1963-64 to 1970-71.
In 1975-76 they played in the London Spartan League- Reserve Division 1.
They gained senior status in the London Spartan League in 1976 at Butterfly Lane, Eltham.
Welling United currently play in the National League South.