[3] The season started on 1 August 2014 and finished on 6 April 2015.
FC Schwalmstadt, TSV Steinbach and SpVgg Oberrad, all promoted from the Verbandsligas while no club had been relegated from the Regionalliga Südwest to the league.
The runners-up of the Hessenliga, Oberliga Rheinland-Pfalz/Saar and the Oberliga Baden-Württemberg, TSV Lehnerz, SC Hauenstein and Bahlinger SC, competed for one more spot in the Regionalliga.
Bahlinger SC won promotion to the Regionalliga courtesy to a win and a draw.
[6][7] The runners-up of the Verbandsliga Nord (Hünfelder SV), Verbandsliga Süd (Rot-Weiss Frankfurt) and Verbandsliga Mitte (Viktoria Kelsterbach) competed for one more spot in the Hessenliga with Rot-Weiss Frankfurt winning promotion.