| Chairman: | Alan Jardine |
| League Result: | 8th |
| Cup1 Result: | Second round |
| Cup2 Result: | First round |
| Cup3 Result: | Fifth round |
| Pattern La1: | _blackborder |
| Pattern B1: | _vneckblack |
| Pattern Ra1: | _blackborder |
| Pattern La2: | _blackshoulders |
| Pattern B2: | _vneckblack |
| Pattern Ra2: | _blackshoulders |
| Leftarm2: | FFF400 |
| Body2: | FFF400 |
| Rightarm2: | FFF400 |
| Shorts2: | 000000 |
| Socks2: | 000000 |
| Nextseason: | 2016–17 |
The 2015–16 season was Dumbarton's fourth consecutive season back in the second tier of Scottish football and their third season in the Scottish Championship,[1] having won promotion from the Scottish Second Division at the end of the 2011–12 season via the play-offs. Ian Murray resigned as manager before the start of the season and moved to Championship rivals St Mirren and was replaced by Stephen Aitken.
Dumbarton finished eighth in the Scottish Championship. They reached the second round in the Challenge Cup before losing to Queens Park, lost in the first round of the League Cup to East Fife and the fifth round of the Scottish Cup to Dundee, following a drawn game.
See main article: 2015–16 Scottish Championship.
See main article: 2015–16 Scottish Cup.
See main article: 2015–16 Scottish Challenge Cup.
See main article: 2015–16 Scottish League Cup.
Last updated 25 August 2016[2] |}
| Player | From | Fee | |
|---|---|---|---|
| Gregor Buchanan | Dunfermline Athletic | Free[3] | |
| Grant Gallagher | Stranraer | Free[4] | |
| Kevin Cawley | Alloa Athletic | Free[5] | |
| Darren Miller | Queen's Park | Free[6] | |
| Mark Docherty | Alloa Athletic | Free[7] | |
| Mark Brown | Ross County | Free[8] | |
| Willie Gibson | Stranraer | Free[9] | |
| Gordon Smith | Stirling Albion | Free[10] | |
| Darren Barr | Ross County | Free[11] | |
| Jon Routledge | Hamilton Academical | Free[12] | |
| Calum Waters | Celtic | Loan[13] | |
| Steven Craig | Wycombe Wanderers | Free[14] | |
| Jamie Lindsay | Celtic | Loan[15] | |
| Scott Brown | St Johnstone | Loan[16] | |
| Frazer Wright | St Johnstone | Free[17] | |
| Steven Ross | Ross County | Free[18] | |
| Eamonn Brophy | Hamilton | Loan[19] | |
| Steven Saunders | Ross County | Free[20] | |
| Tom Walsh | Rangers | Loan[21] | |
 Kler Heh | Sheffield United | Loan[22] | |
 Christian Nade | Hamilton | Free[23] | |
| Paul Heffernan | Queen of the South | Free[24] |
| Player | To | Fee | |
|---|---|---|---|
| Archie Campbell | Clyde | Free[25] | |
| Scott Linton | Clyde | Free | |
| Mitchel Megginson | Raith Rovers | Free[26] | |
| Lee Mair | Stranraer | Free[27] | |
| Stephen Grindlay | Beith Juniors | Free | |
| Joe Coleman | Free | ||
| Chris Turner | Hamilton Academical | Free | |
| Mark Gilhaney | Stenhousemuir | Free[28] | |
| David van Zanten | Airdrieonians | Free | |
| Scott Agnew | St Mirren | Free[29] | |
| Andy Graham | Ayr United | Free[30] | |
| Darren Miller | Free[31] | ||
| Gordon Smith | Cowdenbeath | Loan | |
| Josh Lumsden | Clydebank | Free[32] | |
| Mark Wilson | Free | ||
| Kjeld McIntyre | Free | ||
| Willie Gibson | Stranraer | Free[33] | |
| Gordon Smith | Free[34] | ||
| Ryan Clark | Arthurlie | Loan[35] | |
| Steven Craig | Free[36] | ||
| Jordan Kirkpatrick | Clyde | Loan[37] |
The 9 league goals scored in away games matched the record fewest away goals scored set during the 1894–95 season.