List of Welling United F.C. seasons

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. From 1971-72 to 1974-75 they played in the Metropolitan-London League (Intermediate/Reserves) Division. 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. They finished 6th in Division 2 in 1976-77 and were promoted to the Premier Division. 1977-78 was their first season at Park View Road. Welling United currently play in the National League South.

Key
Key to league record
 * Level = Level of the league in the current league system
 * Pld = Games played
 * W = Games won
 * D = Games drawn
 * L = Games lost
 * GF = Goals for
 * GA = Goals against
 * GD = Goals difference
 * Pts = Points
 * Position = Position in the final league table
 * Top scorer and number of goals scored shown in bold when he was also top scorer for the division.

Key to cup records
 * Res = Final reached round
 * Rec = Final club record in the form of wins-draws-losses
 * PR = Preliminary round
 * QR1 (2, etc.) = Qualifying Cup rounds
 * R1 (2, etc.) = Proper Cup rounds
 * QF = Quarter-finals
 * SF = Semi-finals
 * RU = Runners-up
 * W = Winners