| Club: | Aberdeen F.C. |
| Season: | 1919–20 |
| Manager: | Jimmy Philip |
| Mgrtitle: | Manager |
| League: | Scottish Football League |
| League Result: | 17th |
| Cup1: | Scottish Cup |
| Cup1 Result: | Fourth round |
| League Topscorer: | Jacky Connon (14) |
| Season Topscorer: | Jacky Connon (16) |
| Highest Attendance: | 25,000 vs. Celtic, 29 November 1919 |
| Lowest Attendance: | 6,000 vs. Partick Thistle, 19 April 1920 |
| Prevseason: | 1916–17 |
| Nextseason: | 1920–21 |
| Chairman: | Thomas Duncan |
Aberdeen F.C. competed in the Scottish Football League and Scottish Cup in season 1919–20.
Aberdeen returned to league football in 1919 after a two-year absence due to the First World War. They were placed in an expanded Division One, where they finished 17th out of 22 clubs. In the Scottish Cup, they were knocked out in the fourth round by Albion Rovers. A new attendance record was set at Pittodrie when 25,000 fans attended a game against Celtic in November 1919.
| Match Day | Date | Opponent | H/A | Score | Aberdeen Scorer(s) | Attendance |
|---|---|---|---|---|---|---|
| 1 | 16 August | Albion Rovers | H | 2–0 | Robertson (2) | 9,000 |
| 2 | 23 August | Rangers | A | 2–3 | MacLachlan, MacDonald | 22,000 |
| 3 | 30 August | Clyde | H | 1–0 | Hutton | 12,500 |
| 4 | 6 September | Hibernian | A | 1–2 | Connon | 15,000 |
| 5 | 8 September | Morton | A | 1–3 | Archibald | 5,500 |
| 6 | 13 September | Ayr United | H | 2–1 | Brewster (2) | 12,000 |
| 7 | 20 September | Hamilton Academical | A | 1–2 | Wilson | 3,500 |
| 8 | 22 September | Dundee | H | 2–0 | Connon, Hutton | 11,500 |
| 9 | 27 September | Morton | H | 0–0 | 12,000 | |
| 10 | 4 October | Motherwell | A | 3–3 | Archibald, Connon, Hutton | 8,000 |
| 11 | 11 October | Partick Thistle | A | 1–0 | Connon | 16,000 |
| 12 | 18 October | St Mirren | H | 0–1 | 14,000 | |
| 13 | 25 October | Heart of Midlothian | A | 1–1 | MacDonald | 18,500 |
| 14 | 1 November | Airdrieonians | H | 2–1 | J. Wyllie, Archibald | 12,000 |
| 15 | 8 November | Clydebank | A | 0–3 | 4,500 | |
| 16 | 15 November | Kilmarnock | H | 1–0 | MacLachlan | 10,000 |
| 17 | 22 November | Raith Rovers | A | 2–2 | Archibald, MacDonald | 7,000 |
| 18 | 29 November | Celtic | H | 0–1 | 25,000 | |
| 19 | 6 December | Falkirk | H | 1–1 | Brewster | 10,000 |
| 20 | 13 December | Third Lanark | A | 2–2 | Connon, Hutton | 6,000 |
| 21 | 20 December | Hibernian | H | 1–1 | A. Wright | 10,000 |
| 22 | 27 December | Airdrieonians | A | 0–2 | 4,500 | |
| 23 | 1 January | Dundee | A | 3–1 | A. Wright, Connon (2) | 16,000 |
| 24 | 3 January | Hamilton Academical | H | 2–0 | W. Wylie, Archibald | 12,500 |
| 25 | 5 January | Queen's Park | H | 1–1 | W. Wylie | 12,000 |
| 26 | 10 January | Dumbarton | A | 0–4 | 3,000 | |
| 27 | 17 January | Heart of Midlothian | H | 1–1 | Connon | 14,000 |
| 28 | 31 January | Clyde | A | 0–2 | 6,500 | |
| 29 | 14 February | Queen's Park | A | 0–3 | 12,000 | |
| 30 | 28 February | Falkirk | A | 1–3 | Hutton | 5,000 |
| 31 | 13 March | Raith Rovers | H | 3–1 | Connon (3) | 10,000 |
| 32 | 20 March | Rangers | H | 0–2 | 24,000 | |
| 33 | 27 March | Third Lanark | H | 0–1 | 10,000 | |
| 34 | 3 April | Ayr United | A | 0–0 | 4,000 | |
| 35 | 5 April | Albion Rovers | A | 1–1 | Archibald | 7,000 |
| 36 | 10 April | Celtic | A | 0–5 | 12,000 | |
| 37 | 12 April | St Mirren | A | 1–3 | Connon | 4,500 |
| 38 | 17 April | Clydebank | H | 0–2 | 11,000 | |
| 39 | 19 April | Partick Thistle | H | 0–0 | 6,000 | |
| 40 | 21 April | Kilmarnock | A | 3–0 | Yule, McLaughlin, Connon | 3,000 |
| 41 | 24 April | Dumbarton | H | 3–4 | W. Wylie, Connon, McLaughlin | 10,000 |
| 42 | 1 May | Motherwell | H | 1–1 | Wilson | 10,000 |
See main article: 1919–20 Scottish Cup.
| Round | Date | Opponent | H/A | Score | Aberdeen Scorer(s) | Attendance |
|---|---|---|---|---|---|---|
| R1 | 24 January | Cowdenbeath | A | 1–0 | Own goal | 6,300 |
| R2 | 7 February | Gala Fairydean | H | 2–0 | A. Wright, Connon | 15,500 |
| R3 | 21 February | Heart of Midlothian | H | 1–0 | Hutton | 21,000 |
| R4 | 6 March | Albion Rovers | A | 1–2 | Connon | 10,000 |
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