SG Union Sandersdorf is a football club based in Sandersdorf-Brehna, a town in the Anhalt-Bitterfeld district in Saxony-Anhalt, Germany.

They secured promotion back to the Verbandsliga and achieved their best result to date with a second-place finish in the 2010/11 season.

The club plays its home matches at the Sandersdorf Sports and Leisure Center, which was opened in 1954 as the "Glückauf-kampfbahn Hermann Fahlke."

The stadium features a covered grandstand with 280 seats and 500 standing places, a scoreboard, and a modern floodlight system.

The football section of SG Union Sandersdorf has achieved notable success, including promotions to the Verbandsliga and the NOFV-Oberliga Süd.