List of Blyth Spartans A.F.C. seasons

Blyth Spartans Association Football Club is an association football club based in Blyth, Northumberland. They are currently members of the National League North, the sixth tier of English football, and play at Croft Park.

Early history
In the beginning, the club played only friendly matches before joining the East Northumberland League in 1901. The first recorded honour was a league success in 1901 followed by further victories in 1905–06 and 1906–07. The club then joined the Northern Football Alliance, remaining there for six seasons winning the league in 1908–09 and 1912–13. In 1913 the club moved upward joining the ranks of the semi professionals in the North Eastern League and remained there until this league folded in 1958.

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
 * G = Group stage
 * R1 (2, etc.) = Proper Cup rounds
 * QF = Quarter-finalists
 * SF = Semi-finalists
 * F = Finalists
 * A(QF,SF,F) = Area quarter-, semi-, finalists
 * W = Winners