2015–16 Regionalliga
The 2015–16 Regionalliga was the eighth season of the Regionalliga, the fourth under the new format, as the fourth tier of the German football league system. The champions of Regionalliga Nord – SV Werder Bremen II, the champions of the Regionalliga Nordost – 1. FC Magdeburg, and the champions of Regionalliga Bayern – Würzburger Kickers were promoted to the 3. Liga. Borussia Dortmund II, SpVgg Unterhaching and SSV Jahn Regensburg were relegated from 3. Liga.
Regionalliga Nord
18 teams from the states of Bremen, Hamburg, Lower Saxony and Schleswig-Holstein competed in the fourth season of the reformed Regionalliga Nord. 15 teams were retained from the last season and 3 teams were promoted from the Oberliga – Niedersachsenliga champions SV Drochtersen/Assel and the two Regionalliga North promotion playoff winners VfV 06 Hildesheim, Niedersachsenliga runners-up, and TSV Schilksee, Schleswig-Holstein-Liga champions.Top goalscorers
The top scorers of the league:| Rank | Player | Club | Goals |
| 1 |  Dino Međedović | VfL Wolfsburg II | 23 |
| 2 |  Kwasi Okyere Wriedt | Lüneburger SK Hansa | 22 |
| 3 | Roman Prokoph | Hannover 96 II | 18 |
| 4 |  Kifuta Makangu | VfB Oldenburg | 16 |
| 4 | Muhamed Alawie | SV Meppen | 16 |
| 4 | Deniz Undav | TSV Havelse | 16 |
Regionalliga Nordost
18 teams from the states of Berlin, Brandenburg, Mecklenburg-Vorpommern, Saxony, Saxony-Anhalt and Thuringia competed in the fourth season of the reformed Regionalliga Nordost. 13 teams were retained from the last season and 5 teams that were promoted from the Oberliga. The league expanded to 18 teams from 16 as no other teams were relegated to Oberliga because of Union Berlin II's withdrawal and insolvency-stricken VFC Plauen's administrative relegation. FSV Optik Rathenow qualified by winning the NOFV-Oberliga Nord along with runners-up FC Schönberg 95, while RB Leipzig II also qualified by winning NOFV-Oberliga Süd along with runners-up FC Oberlausitz Neugersdorf. FSV 63 Luckenwalde of the northern division won the promotion playoff between the third placers of the two NOFV-Oberliga divisions.Top goalscorers
The top scorers of the league:| Rank | Player | Club | Goals |
| 1 | Andis Shala | SV Babelsberg 03 | 15 |
| 1 | Jonas Nietfeld | FSV Zwickau | 15 |
| 1 | Marc Zimmermann | FSV Zwickau | 15 |
| 4 | Paul Walther | FSV Budissa Bautzen | 14 |
| 4 | Henry Haufei | FC Schönberg 95 | 14 |
| 6 |  Josef Němec | FC Oberlausitz | 13 |
Regionalliga West
19 teams from North Rhine-Westphalia competed in the fourth season of the reformed Regionalliga West; 14 teams were retained from the last season. FC Wegberg-Beeck won Oberliga Mittelrhein and SSVg Velbert the Oberliga Niederrhein. TuS Erndtebrück won the Oberliga Westfalen while Rot-Weiss Ahlen qualified as runners-up. Borussia Dortmund II was relegated from 3. Liga.Westphalia DFB-Pokal play-off
As the Westphalian Football and Athletics Association is one of three regional associations with the most participating teams in their league competitions, they were allowed to enter a second team for the 2016–17 DFB-Pokal. A play-off took place between the best-placed eligible Westphalian team of the Regionalliga West, Sportfreunde Lotte, and the best-placed eligible team of the 2015–16 Oberliga Westfalen, Sportfreunde Siegen, with the winners qualifying for the DFB-Pokal.Top goalscorers
The top scorers of the league:| Rank | Player | Club | Goals |
| 1 | Marlon Ritter | Borussia Mönchengladbach II | 23 |
| 2 | Kamil Bednarski | SC Wiedenbrück | 19 |
| 3 | Hamadi Al Ghaddioui | SC Verl | 17 |
| 4 | Güngör Kaya | SG Wattenscheid 09 | 16 |
| 4 | Kamil Bednarski | SC Wiedenbrück | 16 |
| 6 | Marvin Ducksch | Borussia Dortmund II | 15 |
| 6 | Kevin Freiberger | Sportfreunde Lotte | 15 |
Regionalliga Südwest
18 teams from Baden-Württemberg, Hesse, Rhineland-Palatinate and Saarland competed in the fourth season of the Regionalliga Südwest. 14 teams were retained from last season and 4 teams were promoted from the Oberliga: SV Spielberg won the Oberliga Baden-Württemberg, Saar 05 Saarbrücken the Oberliga Rheinland-Pfalz/Saar and TSV Steinbach the Hessenliga. The second-placed teams of the other Oberligas had play-off matches which was won by Bahlinger SC.Top goalscorers
The top scorers of the league:| Rank | Player | Club | Goals |
| 1 |  Mijo Tunjic | SV Elversberg | 21 |
| 2 | Florian Treske | Wormatia Worms | 18 |
| 3 | Felix Lohkemper | TSG 1899 Hoffenheim II | 17 |
| 4 | Jannik Sommer | Waldhof Mannheim | 16 |
| 5 | Robert Glatzel | 1. FC Kaiserslautern II | 15 |
Regionalliga Bayern
18 teams from Bavaria competed in the fourth season of the Regionalliga Bayern. 13 teams were retained from the last season. SpVgg Unterhaching and SSV Jahn Regensburg were relegated from the 3. Liga. 3 teams were promoted from the Bayernliga. Viktoria Aschaffenburg won Bayernliga Nord, TSV Rain 1896 the Bayernliga Süd, and FC Amberg won the promotion play-off.Top goalscorers
The top scorers of the league:| Rank | Player | Club | Goals |
| 1 | Markus Ziereis | Jahn Regensburg | 19 |
| 2 | Stefan Maderer | SpVgg Greuther Fürth II | 18 |
| 3 |  Sammy Ammari | FC Ingolstadt 04 II | 17 |
| 4 | Karl-Heinz Lappe | FC Bayern Munich II | 15 |
| 5 | Ardian Morina | FV Illertissen | 14 |
Promotion play-offs
The draw for the 2015–16 promotion play-offs was held on 3 April, with another draw between the Regionalliga Südwest teams held on 21 May 2016.
Summary
The first legs were played on 25 May, and the second legs were played on 29 May 2016.
Matches
All times Central European Summer TimeJahn Regensburg won 2–1 on aggregate.
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FSV Zwickau won 2–1 on aggregate.
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Sportfreunde Lotte won 2–0 on aggregate.