[3] The season began on 8 August 2015 and finished on 21 May 2016, interrupted by a winter break from 12 December to 13 February.
[4] The league featured five new clubs for the 2015–16 season with FSV 08 Bissingen promoted from the Verbandsliga Württemberg, SV Oberachern from the Verbandsliga Südbaden and SV Sandhausen II from the Verbandsliga Baden along with 1.
CfR Pforzheim while FC Nöttingen had been relegated from the Regionalliga Südwest.
[5] The top goal scorers for the season:[1] Promotion play-off will be held at the end of the season for both the Regionalliga above and the Oberliga.
The runners-up of the Verbandsliga Baden, Verbandsliga Südbaden and Verbandsliga Württemberg play each other for one more spot in the Oberliga, whereby the Baden and Südbaden runners-up play each other first with the winner of this encounter then meets the Württemberg runners-up.