| Club: | Dumbarton |
| Season: | 1949–1950 |
| Manager: | William Guthrie |
| Stadium: | Boghead Park, Dumbarton |
| League: | Scottish League B Division |
| League Result: | 15th |
| Cup1 Result: | Second Round |
| Cup2 Result: | Prelims |
| Cup3 Result: | First Round |
| League Topscorer: | Joe Spiers (7) |
| Season Topscorer: | Tom Donegan / Joe Spiers (8) |
| Pattern La1: | _black_hoops |
| Pattern B1: | _goldhoops |
| Pattern Ra1: | _black_hoops |
| Pattern So1: | _goldtop |
| Leftarm1: | ffc100 |
| Body1: | 000000 |
| Rightarm1: | ffc100 |
| Shorts1: | ffffff |
| Socks1: | 000000 |
| Prevseason: | 1948–49 |
| Nextseason: | 1950–51 |
The 1949–50 season was the 66th Scottish football season in which Dumbarton competed at national level, entering the Scottish Football League, the Scottish Cup, the Scottish League Cup and the Supplementary Cup. In addition Dumbarton competed in the Stirlingshire Cup.
See main article: 1949–50 Scottish Football League. If the 1948-49 league campaign was a disappointment, this season was to prove a disaster, with just 16 points being won and a 15th-place finish - a distant 31 behind champions Morton. Things might have been worse, however, with only 4 points separating them from relegation to Division C.
See main article: 1949–50 Scottish Cup. Dumbarton lost out in the second round of the Cup to Stirling Albion, after two drawn games.
See main article: 1949–50 Scottish League Cup. With two wins and a draw being taken from their 6 games in the sectional games of the League Cup, Dumbarton finished 3rd of 4 and failed to qualify for the next stage.
It was a first round exit in the B Division Cup, this time to Stenhousemuir.
Alloa were to prove too strong for Dumbarton in the first round clash of the county cup.
Two 'benefit' matches were played against strong Rangers and Clyde sides, resulting in wins in both cases.
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Source:[1]
| Player | From | Date | |
|---|---|---|---|
| Donald Gillies | Aberdeen | 3 Aug 1949 | |
| Roy Dunbar | 6 Aug 1949 | ||
| Willie Leitch | 6 Aug 1949 | ||
| Ian Cook | 11 Aug 1949 | ||
| Willie McLaren | 11 Aug 1949 | ||
| Andrew Neill | 11 Aug 1949 | ||
| John Sharp | 24 Aug 1949 | ||
| George Carson | 15 Sep 1949 | ||
| John Turnbull | 24 Sep 1949 | ||
| Jim McGown | Stirling Albion | 27 Oct 1949 | |
| Alex Stirling | Stirling Albion | 16 Nov 1949 | |
| Jim Peden | Airdrie | 1 Dec 1949 | |
| Andy Tait | Clydebank Juniors | 12 Dec 1949 | |
| Willie Johnston | Blantyre Celtic | 20 Dec 1949 | |
| John Sheridan | Renton BC | 25 Jan 1950 | |
| Wallace Murdoch | Rhu Amateurs | 14 Mar 1950 |
| Player | To | Date | |
|---|---|---|---|
| Hugh Goldie | Raith Rovers | 29 Sep 1949 | |
| Ian Hepburn | Partick Thistle | 20 Oct 1949 | |
| Jim Jamieson | Stirling Albion | 24 Dec 1949 | |
| George Carson | Freed | 29 Dec 1949 | |
| Donald Gillies | Freed | 19 Mar 1950 | |
| Ian Cook | Freed | 30 Apr 1950 | |
| Roy Dunbar | Freed | 30 Apr 1950 | |
| Peter Grant | Freed | 30 Apr 1950 | |
| Willie Leitch | Freed | 30 Apr 1950 | |
| Gordon McFarlane | Freed | 30 Apr 1950 | |
| Neil McLean | Freed | 30 Apr 1950 | |
| Andrew Neill | Freed | 30 Apr 1950 | |
| Ian Ogilvie | Freed | 30 Apr 1950 | |
| John Sheridan | Freed | 30 Apr 1950 | |
| Alex Stirling | Freed | 30 Apr 1950 |
Source:[2]
Dumbarton played a reserve team for the first time in many seasons and competed in Division C (South West) finishing 18th and bottom, recording 6 wins and 8 draws from 34 matches. Note that in addition to the reserve sides of the bigger Division A teams in South and West Scotland, the first team of Stranraer also competed in this league.
In the Second XI Cup, Dumbarton were dumped out in the first round by Queen of the South.