| Competition: | 3. Liga |
| Season: | 2014–15 |
| Winners: | Arminia Bielefeld |
| Promoted: | Arminia Bielefeld MSV Duisburg |
| Relegated: | Borussia Dortmund II SpVgg Unterhaching SSV Jahn Regensburg |
| League Topscorer: | Fabian Klos (23 goals) |
| Matches: | 380 |
| Total Goals: | 1010 |
| Prevseason: | 2013–14 |
| Nextseason: | 2015–16 |
The 2014–15 3. Liga was the seventh season of the 3. Liga, Germany's third-level football league.
The league consisted of twenty teams: The teams placed fourth through seventeenth of the 2013–14 season, the lowest two teams from the 2013–14 2. Bundesliga, the three promoted teams the 2013–14 Regionalliga and the losers of the relegation play-off between the 16th-placed 2. Bundesliga team and the third-placed 3. Liga team.
| Team | Location | Stadium | Stadium capacity[1] | |
|---|---|---|---|---|
| SG Sonnenhof Großaspach | Aspach | Mechatronik Arena | 10,000 | |
| Arminia Bielefeld | Bielefeld | Schüco-Arena | 27,300 | |
| Chemnitzer FC | Chemnitz | Stadion an der Gellertstraße | 18,712 | |
| SC Fortuna Köln | Cologne | Südstadion | 14,800 | |
| Dortmund | Stadion Rote Erde | 10,000 | ||
| Duisburg | Schauinsland-Reisen-Arena | 31,500 | ||
| Dynamo Dresden | Dresden | Glücksgas-Stadion | 32,066 | |
| Cottbus | Stadion der Freundschaft | 22,528 | ||
| Hallescher FC | Halle | Erdgas Sportpark | 15,057 | |
| Hansa Rostock | Rostock | DKB-Arena | 29,000 | |
| Holstein Kiel | Kiel | Holstein-Stadion | 11,386 | |
| 1. FSV Mainz 05 II | Mainz | Stadion am Bruchweg | 20,300 | |
| Jahn Regensburg | Regensburg | Jahnstadion | 12,500 | |
| Osnabrück | Osnatel-Arena | 16,667 | ||
| Preußen Münster | Münster | Preußenstadion | 15,050 | |
| Rot-Weiß Erfurt | Erfurt | Steigerwaldstadion | 17,500 | |
| Stuttgart | Gazi-Stadion auf der Waldau | 10,100 | ||
| Stuttgarter Kickers | Stuttgart | Gazi-Stadion auf der Waldau | 10,100 | |
| Unterhaching | Stadion am Sportpark | 15,053 | ||
| Wiesbaden | BRITA-Arena | 12,250 |
| Team | Outgoing manager | Manner of departure | Date of vacancy | Position in table | Incoming manager | Date of appointment | |
|---|---|---|---|---|---|---|---|
| Energie Cottbus | René Rydlewicz | End of tenure as caretaker | 11 May 2014 | Pre-season | Stefan Krämer | 11 May 2014[2] | |
| Hansa Rostock | Dirk Lottner | Mutual consent | 11 May 2014[3] | Peter Vollmann | 13 May 2014[4] | ||
| Jahn Regensburg | Thomas Stratos | Mutual consent | 11 May 2014[5] | Alexander Schmidt | 13 May 2014[6] | ||
| Dynamo Dresden | Olaf Janßen | Sacked | 13 May 2014[7] | Stefan Böger | 23 May 2014[8] | ||
| MSV Duisburg | Karsten Baumann | End of contract | 31 May 2014[9] |  Gino Lettieri | 15 June 2014[10] | ||
| SG Sonnenhof Großaspach | Rüdiger Rehm | Break | 28 October 2014[11] | 18th | Uwe Rapolder | 28 October 2014 | |
| Jahn Regensburg | Alexander Schmidt | Sacked | 10 November 2014[12] | 20th | Christian Brand | 18 November 2014[13] | |
| Hansa Rostock | Peter Vollmann | Sacked | 7 December 2014[14] | 19th | Karsten Baumann | 9 December 2014[15] | |
| Dynamo Dresden | Stefan Böger | Sacked | 16 February 2015[16] | 8th |  Peter Németh | 16 February 2015[17] | |
| Mainz II | Martin Schmidt | Promoted | 17 February 2015[18] | 17th | Sandro Schwarz | 17 February 2015[19] | |
| SG Sonnenhof Großaspach | Uwe Rapolder | Resigned | 25 February 2015[20] | 19th | Rüdiger Rehm | 25 February 2015 | |
| FC Rot-Weiß Erfurt |  Walter Kogler | Sacked | 23 March 2015[21] | 7th | Christian Preußer | 23 March 2015 | |
| SpVgg Unterhaching | Christian Ziege | Resigned | 25 March 2015[22] | 17th | Claus Schromm | 26 March 2015[23] | |
| SV Wehen Wiesbaden | Marc Kienle | Sacked | 12 April 2015[24] | 10th | Christian Hock | 12 April 2015 |
Updated 23 May 2015[25]
