Football League Second Division 1990/91
| Pos | Club | Pld | W | D | L | F | A | GD | Pts | Notes |
| 1st | Oldham Athletic | 46 | 25 | 13 | 8 | 83 | 53 | +30 | 88 | ▲Champions |
| 2nd | West Ham United | 46 | 24 | 15 | 7 | 60 | 34 | +26 | 87 | ▲Runners Up |
| 3rd | Sheffield Wednesday | 46 | 22 | 16 | 8 | 80 | 51 | +29 | 82 | ▲Promoted |
| 4th | Notts County | 46 | 23 | 11 | 12 | 76 | 55 | +21 | 80 | ♦▲PO Winners |
| 5th | Millwall | 46 | 20 | 13 | 13 | 70 | 51 | +19 | 73 | ♦Playoffs |
| 6th | Brighton & Hove Albion | 46 | 21 | 7 | 18 | 63 | 69 | -6 | 70 | ♦Playoffs |
| 7th | Middlesbrough | 46 | 20 | 9 | 17 | 66 | 47 | +19 | 69 | ♦Playoffs |
| 8th | Barnsley | 46 | 19 | 12 | 15 | 63 | 48 | +15 | 69 | - |
| 9th | Bristol City | 46 | 20 | 7 | 19 | 68 | 71 | -3 | 67 | - |
| 10th | Oxford United | 46 | 14 | 19 | 13 | 69 | 66 | +3 | 61 | - |
| 11th | Newcastle United | 46 | 14 | 17 | 15 | 49 | 56 | -7 | 59 | - |
| 12th | Wolverhampton Wanderers | 46 | 13 | 19 | 14 | 63 | 63 | 0 | 58 | - |
| 13th | Bristol Rovers | 46 | 15 | 13 | 18 | 56 | 59 | -3 | 58 | - |
| 14th | Ipswich Town | 46 | 13 | 18 | 15 | 60 | 68 | -8 | 57 | - |
| 15th | Port Vale | 46 | 15 | 12 | 19 | 56 | 64 | -8 | 57 | - |
| 16th | Charlton Athletic | 46 | 13 | 17 | 16 | 57 | 61 | -4 | 56 | - |
| 17th | Portsmouth | 46 | 14 | 11 | 21 | 58 | 70 | -12 | 53 | - |
| 18th | Plymouth Argyle | 46 | 12 | 17 | 17 | 54 | 78 | -24 | 53 | - |
| 19th | Blackburn Rovers | 46 | 14 | 10 | 22 | 51 | 66 | -15 | 52 | - |
| 20th | Watford | 46 | 12 | 15 | 19 | 45 | 59 | -14 | 51 | - |
| 21st | Swindon Town | 46 | 12 | 14 | 20 | 65 | 73 | -8 | 50 | - |
| 22nd | Leicester City | 46 | 14 | 8 | 24 | 60 | 83 | -23 | 50 | - |
| 23rd | West Bromwich Albion | 46 | 10 | 18 | 18 | 52 | 61 | -9 | 48 | ▼Relegated |
| 24th | Hull City | 46 | 10 | 15 | 21 | 57 | 85 | -28 | 45 | ▼Relegated |
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Football League Second Division Playoffs |
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Semi Finals 1st Leg |
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| Date | Home | Score | Away |
| Sun May 19 | Brighton & Hove Albion | 4-1 | Millwall |
| Sun May 19 | Middlesbrough | 1-1 | Notts County |
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Semi Finals 2nd Leg |
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| Wed May 22 | Millwall | 1-2 | Brighton & Hove Albion |
| Brighton & Hove Albion won 6-2 on aggregate | |||
| Wed May 22 | Notts County | 1-0 | Middlesbrough |
| Notts County won 2-1 on aggregate | |||
| Final | |||
| Sun June 2 | Notts County | 3-1 | Brighton & Hove Albion |
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End of Season Notes |
| ▼Derby County were Relegated from the First Division |
| ▼Sunderland were Relegated from the First Division |
| ▲Oldham Athletic were Promoted to the First Division |
| ▲West Ham United were Promoted to the First Division |
| ▲Sheffield Wednesday were Promoted to the First Division |
| ♦ Notts County Qualified for the Playoffs |
| ♦ Millwall Qualified for the Playoffs |
| ♦ Brighton & Hove Albion Qualified for the Playoffs |
| ♦ Middlesbrough Qualified for the Playoffs |
| ▲Notts County were Promoted to the First Division via the Playoffs |
| ▼West Bromwich Albion were Relegated to the Third Division |
| ▼Hull City were Relegated to the Third Division |
| ▲Cambridge United were Promoted from the Third Division |
| ▲Southend United were Promoted from the Third Division |
| ▲Grimsby Town were Promoted from the Third Division |
| ▲Tranmere Rovers were Promoted from the Third Division via the Playoffs |