 LEISTON
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| Formed: 1880 Ground: Victory Road, Leiston, Suffolk |
League Record
| Season | Position Finished | Played | Won | Drawn | Lost | For | Against | Points | League & Division |
| 2001/02 | 4th | 36 | 24 | 4 | 8 | 74 | 36 | 76 | Eastern Counties League Division 1 |
| 2002/03 | 7th | 36 | 18 | 9 | 9 | 76 | 51 | 63 | Eastern Counties League Division 1 |
| 2003/04 | ▲3rd | 38 | 22 | 8 | 8 | 74 | 40 | 74 | Eastern Counties League Division 1 |
| 2004/05 | 10th | 42 | 16 | 9 | 17 | 66 | 74 | 59* | Eastern Counties League Premier |
| 2005/06 | 9th | 42 | 21 | 5 | 16 | 89 | 69 | 68 | Eastern Counties League Premier |
| 2006/07 | 5th | 42 | 24 | 7 | 11 | 98 | 71 | 79 | Eastern Counties League Premier |
| 2007/08 | 9th | 42 | 17 | 11 | 14 | 65 | 57 | 62 | Eastern Counties League Premier |
| 2008/09 | 7th | 40 | 22 | 9 | 9 | 90 | 41 | 75 | Eastern Counties League Premier |
| 2009/10 | 3rd | 38 | 26 | 4 | 8 | 87 | 38 | 82 | Eastern Counties League Premier |
| 2010/11 | ▲1st | 42 | 29 | 8 | 5 | 97 | 39 | 95 | Eastern Counties League Premier |
| 2011/12 | ▲1st | 42 | 28 | 7 | 7 | 99 | 41 | 91 | Isthmian League Division 1 North |
| 2012/13 | 12th | 42 | 13 | 17 | 12 | 55 | 57 | 56 | Isthmian League Premier Division |
| 2013/14 | 9th | 46 | 19 | 10 | 17 | 73 | 71 | 67 | Isthmian League Premier Division |
| 2014/15 | 9th | 46 | 18 | 13 | 15 | 73 | 58 | 67 | Isthmian League Premier Division |
| 2015/16 | 8th | 46 | 20 | 12 | 14 | 72 | 57 | 72 | Isthmian League Premier Division |
| 2016/17 | 7th | 46 | 21 | 10 | 15 | 98 | 66 | 73 | Isthmian League Premier Division |
| 2017/18 | ♦►5th | 46 | 23 | 10 | 13 | 82 | 53 | 79 | Isthmian League Premier Division |
| 2018/19 | 19th | 42 | 12 | 11 | 19 | 54 | 73 | 47 | Southern League Premier Division Central |
| 2019/20 | ABANDONED | 32 | 6 | 8 | 18 | 39 | 87 | 26 | Southern League Premier Division Central |
| 2020/21 | ABANDONED | 8 | 1 | 2 | 5 | 11 | 21 | 5 | Southern League Premier Division Central |
| 2021/22 | 7th | 40 | 18 | 6 | 16 | 59 | 65 | 60 | Southern League Premier Division Central |
| 2022/23 | ♦►3rd | 42 | 24 | 13 | 5 | 84 | 47 | 85 | Southern League Premier Division Central |
| 2023/24 | - | - | - | - | - | - | - | - | Southern League Premier Division Central |
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Footnotes |
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2004/05 - 2 Points Awarded |