Altrincham was a semi-professional rugby league club based in Altrincham within the Metropolitan Borough of Trafford, in Greater Manchester,England.
They joined the Northern Union in 1901–02 and played for the single season in the Lancashire Senior Competition, which was effectively Division 2 (West). Although they were from Cheshire, they, like several other Cheshire clubs and some Cumberland clubs, participated in the Lancashire Competitions.
They joined the ranks of the semi-professionals when they became members of the Northern Union for the 1901–02 season finishing in 12th position out of 13 clubs (with an unenviable record of only one win and one draw).
At the end of the 1901–02 season, the County Leagues elected 18 teams to join the new Division 2 (7 from Lancashire and 10 from Yorkshire and new member South Shields) with the existing second competition scrapped.
Altrincham were one of the 4 Yorkshire (Goole, Heckmondwike, Liversedge and Sowerby Bridge) and 2 Lancashire clubs (the other being Radcliffe) not elected to the new Division 2, but it is unknown as to which route the club followed.