| National Conference League Division One | |
| Current Season: | 2024 National Conference League season |
| Sport: | Rugby league |
| Teams: | 12 |
| Promotion: | National Conference League Premier Division |
| Relegation: | National Conference League Division Two |
| Levels: | 5 |
| Domestic Cup: | Challenge Cup BARLA National Cup |
| Champions: | Waterhead Warriors (1st title) |
| Most Champs: | Oulton Raiders (3 titles) |
The National Conference League Division One is the second level of the amateur National Conference League in Britain and sits in the fifth tier of the British rugby league system.
| Club | Founded | Location |
|---|---|---|
| Crosfields | 1901 | Warrington, Cheshire |
| Egremont Rangers | 1900 | Egremont, Cumbria |
| Heworth | 1922 | York, North Yorkshire |
| Ince Rose Bridge | 2001 | Ince-in-Makerfield, Wigan, Greater Manchester |
| Kells | 1931 | Whitehaven, Cumbria |
| Oldham St Annes | 1946 | Oldham, Greater Manchester |
| Oulton Raiders | 1962 | |
| Shaw Cross Sharks | 1947 | |
| Stanningley | 1889 | Stanningley, Leeds, West Yorkshire |
| Wigan St Judes | 1980 | Wigan, Greater Manchester |
| Wigan St Patricks | 1910 | Wigan, Greater Manchester |
| Woolston Rovers | 1959 | Warrington, Cheshire |
| Season | Winners | Runners up | Playoff Winner | Score | Playoff Runner up | Relegated | |
|---|---|---|---|---|---|---|---|
| 2015 | Kells | York Acorn | 30-22 | Normanton Knights | Salford City Roosters Wigan St Judes Saddleworth Rangers | ||
| 2016 | Thatto Heath Crusaders (2) | Myton Warriors | Skirlaugh | 25-18 | Featherstone Lions | East Leeds Milliom Elland | |
| 2017 | Hunslet Club Parkside | Oulton Raiders | Normanton Knights | 22-20[1] | Milford | Hunslet Warriors Hull Dockers Blackbroom | |
| 2018 | Thornhill Trojans | Lock Lane | Leigh Miners Rangers | 23-22 (GP) | Milford | Ince Rose Bridge Shaw Cross Sharks Bradford Dudley Hill | |
| 2019 | Pilkington Recs | York Acorn | Featherstone Lions | 23-10 | Stanningley | Saddleworth Rangers Normanton Knights Dewsbury Moor | |
| 2020 | colspan=6 | ||||||
| 2021 | colspan=6 | ||||||
| 2022 | Kells (2) | Wigan St Patricks | Saddleworth Rangers Myton Warriors Milford | ||||
| 2023 | West Bowling (2) | Egremont Rangers | Heworth | 46-6 | Oulton Raiders | Pilkington Recs Thornhill Trojans | |
| 2024 | Leigh Miners Rangers | Dewsbury Moor | 16-10 | Ince Rose Bridge | Hull Dockers Clock Face Miners Skirlaugh |
| Club | Wins | Runners up | Winning years | |
|---|---|---|---|---|
| 1 | Oulton Raiders | 3 | 2 | 2005–06, 2010–11, 2014 |
| 2 | Rochdale Mayfield | 2 | 2 | 1992–93, 2006–07 |
| West Hull | 0 | 1991–92, 2005–06 | ||
| Thatto Heath Crusaders | 2002–03, 2016 | |||
| Wath Brow Hornets | 2003–04, 2008–09 | |||
| Kells | 2015, 2022 | |||
| 3 | ||||
| Askam | 1 | 1 | 1996–97 | |
| Leigh East | 2000–01 | |||
| West Bowling | 2001–02 | |||
| Egremont Rangers | 2012 | |||
| East Leeds | 2013 | |||
| Thornhill Trojans | 2018 | |||
| Pilkington Recs | 2019 | |||
| Saddleworth Rangers | 0 | 1989–90 | ||
| Barrow Island | 1990–91 | |||
| Heworth | 1993–94 | |||
| Millom | 1994–95 | |||
| Beverley | 1995–96 | |||
| Skirlaugh | 1997–98 | |||
| Redhill | 1998–99 | |||
| Shaw Cross Sharks | 2004–05 | |||
| West Hull | 2005–06 | |||
| Wigan St Judes | 2007–08 | |||
| Hunslet Club Parkside | 2017 | |||
| Waterhead Warriors | 2024 |