2002–03 Aberdeen F.C. season
The 2002-03 season was Aberdeen's 90th season in the top flight of Scottish football and their 92nd season overall. Aberdeen competed in the Scottish Premier League, Scottish League Cup, Scottish Cup and UEFA Cup.
Scottish Premier League
| Round | Date | Opponent | H/A | Score | Aberdeen Scorer | Attendance | Report |
| 1 | 3 August | Hibernian | A | 2–1 | Mackie, Clark | 13,340 | |
| 2 | 10 August | Celtic | H | 0–4 | 17,284 | ||
| 3 | 18 August | Heart of Midlothian | H | 1–1 | D'Jaffo | 12,825 | |
| 4 | 25 August | Rangers | A | 0–2 | 42,219 | ||
| 5 | 1 September | Partick Thistle | H | 0–1 | 12,591 | ||
| 6 | 11 September | Dundee United | H | 1–2 | Mackie | 10,724 | |
| 7 | 14 September | Kilmarnock | A | 2–2 | D'Jaffo, Darren Young | 6,538 | |
| 8 | 22 September | Livingston | A | 2–1 | Anderson, McNaughton | 7,513 | |
| 9 | 28 September | Dunfermline Athletic | H | 3–1 | Billio, D'Jaffo, Derek Young | 11,678 | |
| 10 | 5 October | Motherwell | A | 2–1 | Derek Young, Deloumeaux | 6,104 | |
| 11 | 19 October | Dundee | H | 0–0 | 14,003 | ||
| 12 | 27 October | Hibernian | H | 0–1 | 12,321 | ||
| 13 | 3 November | Celtic | A | 0–7 | 58,526 | ||
| 14 | 9 November | Heart of Midlothian | A | 0–0 | 11,920 | ||
| 15 | 16 November | Rangers | H | 2–2 | Mike, Mackie | 14,915 | |
| 16 | 23 November | Partick Thistle | A | 1–2 | Mike | 6,182 | |
| 17 | 30 November | Dundee United | A | 1–1 | McGuire | 8,261 | |
| 18 | 3 December | Kilmarnock | H | 0–1 | 8,816 | ||
| 19 | 7 December | Motherwell | H | 1–1 | Derek Young | 9,569 | |
| 20 | 15 December | Dunfermline Athletic | A | 0–3 | 4,835 | ||
| 21 | 21 December | Livingston | H | 0–0 | 11,253 | ||
| 22 | 26 December | Dundee | A | 2–1 | McGuire, Smith | 8,574 | |
| 23 | 29 December | Hibernian | A | 0–2 | 11,604 | ||
| 24 | 2 January | Celtic | H | 1–1 | Anderson | 16,331 | |
| 25 | 28 January | Heart of Midlothian | H | 0–1 | 9,322 | ||
| 26 | 1 February | Rangers | A | 1–2 | Tosh | 49,667 | |
| 27 | 8 February | Partick Thistle | H | 0–1 | 11,334 | ||
| 28 | 16 February | Dundee United | H | 3–0 | Sheerin, McGuire | 9,146 | |
| 29 | 1 March | Kilmarnock | A | 0–2 | 5,769 | ||
| 30 | 8 March | Motherwell | A | 1–0 | Sheerin | 5,636 | |
| 31 | 15 March | Dundee | H | 3–3 | Sheerin, McGuire | 12,119 | |
| 32 | 5 April | Livingston | A | 2–1 | Derek Young, Sheerin | 5,731 | |
| 33 | 12 April | Dunfermline Athletic | H | 1–0 | Sheerin | 10,030 | |
| 34 | 26 April | Livingston | H | 1–0 | Hinds | 8,912 | |
| 35 | 3 May | Hibernian | A | 1–3 | Tiernan | 7,904 | |
| 36 | 10 May | Partick Thistle | H | 2–1 | Hinds, McGuire | 9,960 | |
| 37 | 17 May | Motherwell | A | 3–2 | Hinds, Deloumeaux, Sheerin | 4,731 | |
| 38 | 24 May | Dundee United | A | 0–2 | Mackie, Tosh | 8,516 |
Final standings
Scottish League Cup
| Round | Date | Opponent | H/A | Score | Aberdeen Scorer | Attendance | Report |
| R3 | 6 November | Motherwell | H | 3–1 | Mike, Deloumeaux, Michie | 6,557 | |
| QF | 12 November | Heart of Midlothian | H | 0–1 | 7,576 |
Scottish Cup
| Round | Date | Opponent | H/A | Score | Aberdeen Scorer | Attendance | Report |
| R3 | 25 January | Queen of the South | A | 0–0 | 5,716 | ||
| R3R | 18 February | Queen of the South | H | 4–1 | D'Jaffo, Derek Young, Anderson | 6,068 | |
| R4 | 22 February | Dundee | A | 0–2 | 7,549 |
UEFA Cup
| Round | Date | Opponent | H/A | Score | Aberdeen Scorer | Attendance | Report |
| PR2 L1 | 15 August |  Nistru Otaci | H | 1–0 | Mackie | 9,894 | |
| PR2 L2 | 29 August | Nistru Otaci | A | 0–0 | 4,000 | ||
| R1 L1 | 17 September |  Hertha Berlin | H | 0–0 | 10,180 | ||
| R1 L2 | 1 October | Hertha Berlin | A | 0–1 | 30,770 |