NNSW Northern League One
The Northern League One competition is NNSWF's second tier men's competition.
The premiers are promoted to NPL Men's NNSW, while the team that finishes last is relegated to Zone Football League One.
The teams that finished second, third and fourth join the team that finished 11th in NPL Men's NNSW in the Promotion/Relegation Play-Off Finals series to decide the final entrant in the NPL Men's NNSW competition for the following season.
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Northern League One (since 2014)
| Season | Premiers/Promoted | Promotion/ Relegation Play-Off Final | Player of the Final |
| 2026 | Lake Macquarie City FC | Kahibah FC 2-1 Newcastle Croatia @ Hunter City Motor Group Stadium, Weston | Oskar Crakanthorp (Kahibah FC) |
| 2025 | Kahibah FC | Valentine FC 4-0 West Wallsend SFC @ Magic Park | Dean Pettit (Valentine FC) |
| 2024 | Belmont Swansea United | Adamstown Rosebud 3-2 Toronto Awaba FC @ Jack McLaughlan Oval | Dino Fajkovic (Adamstown Rosebud) |
| Season | Premiers | Champions | Grand Final | Player of the Grand Final |
| 2023 | Toronto Awaba FC | West Wallsend SFC | West Wallsend SFC 1-1 South Cardiff FC (4-2 on penalties) @ Johnston Park | |
| 2022 | New Lambton FC | Belmont Swansea United | New Lambton FC 1-2 Belmont Swansea United @ Jack McLaughlan Oval | |
| 2021 | New Lambton FC | Finals series cancelled due to COVID-19 | Finals series cancelled due to COVID-19 | |
| 2020 | New Lambton FC | Singleton Strikers | New Lambton FC 0-2 Singleton Strikers @ Magic Park | Joel Barner (Singleton Strikers) |
| 2019 | Cooks Hill United | Belmont Swansea United | Cooks Hill United 2-3 Belmont Swansea United @ Jack McLaughlan Oval | |
| 2018 | Cooks Hill United | Belmont Swansea United | West Wallsend SFC v Belmont Swansea United @ Macquarie Field | |
| 2017 | Cooks Hill United | Cooks Hill United | Cooks Hill United 4-0 Belmont Swansea United @ Magic Park | |
| 2016 | Lake Macquarie City FC | Wallsend FC | Wallsend FC 4-3 Belmont Swansea United on penalties @ Jack McLaughlan Oval | |
| 2015 | Valentine FC | Wallsend FC | Wallsend FC 1-0 Valentine FC @ Rockwell Automation Park | |
| 2014 | Maitland FC | Maitland FC | Maitland FC 1-1 Valentine FC @ Adamstown Oval (3-1 penalties) |
NNSWF First Division (1998 to 2013)
Season | Premiers | Champions | Grand Final |
| 2013 | Maitland FC | Adamstown Rosebud | Maitland FC 1-2 Adamstown Rosebud @ Adamstown Oval |
| 2012 | Lambton Jaffas | Lambton Jaffas | Lambton Jaffas 1-0 Adamstown Rosebud @ Adamstown Oval |
| 2011 | Charlestown City Blues | Charlestown City Blues | Charlestown City Blues 1-0 Lambton Jaffas @ Adamstown Oval |
| 2010 | Lake Macquarie City FC | Charlestown City Blues | Lake Macquarie City FC 2-3 Charlestown City Blues @ Adamstown Oval |
| 2009 | Charlestown City Blues | Maitland FC | Charlestown City Blues 0-1 Maitland FC @ Macquarie Field |
| 2008 | Adamstown Rosebud | Adamstown Rosebud | Adamstown Rosebud 1-0 Maitland FC @ Adamstown Oval |
| 2007 | West Wallsend SFC | West Wallsend SFC | West Wallsend SFC 4-1 Lambton Jaffas (AET) |
| 2006 | Dudley Redhead United | Beresfield United | Dudley Redhead United 0-1 Beresfield United |
| 2005 | Phoenix Rangers | Phoenix Rangers | Phoenix Rangers 3-1 West Wallsend SFC |
| 2004 | Phoenix Rangers | Phoenix Rangers | Phoenix Rangers 3-1 West Wallsend SFC |
| 2003 | Newcastle University | West Wallsend SFC | West Wallsend SFC 2-1 Dudley Redhead United |
| 2002 | Toronto Awaba FC | Dudley Redhead United | Toronto Awaba FC 0-1 Dudley Redhead United |
| 2001 | Lake Macquarie City FC | Lake Macquarie City FC | Lake Macquarie City FC 2-0 Toronto Awaba FC |
| 2000 | West Wallsend SFC | West Wallsend SFC | West Wallsend SFC 1-0 Medowie SC |
| 1999 | West Wallsend SFC | Dudley Redhead United | Dudley Redhead United 4-0 Budgewoi FC |
| 1998 | Budgewoi FC | Lambton Jaffas | Budgewoi FC 1-3 Lambton Jaffas |
NNSWF Northern Second Division (1959 to 1997)
Season | Premiers | Champions | Score | Runners up |
| 1997 | South Cardiff | Lambton Jaffas | 2–1 | South Cardiff |
| 1996 | Dudley Redhead | South Cardiff | 3–2 | Budgewoi |
| 1995 | South Cardiff | No Final Series | ||
| 1994 | Wallsend | Wallsend | 2–0 | Broadmeadow Macedonia |
| 1993 | Newcastle Macedonia | Cessnock City | 4–0 | Belmont Swansea |
| 1992 | Cessnock City | Singleton Strikers | 1–0 | Stockton |
| 1991 | Hamilton Olympic | Hamilton Olympic | 0-0 (3-0p) | Lambton Jaffas |
| 1990 | Newcastle Croatia | Lambton Jaffas | 0-0 (4-3p) | Newcastle Croatia |
| 1989 | Edgeworth Eagles | Edgeworth Eagles | 3–2 | Belmont |
| 1988 | Cessnock City | Cessnock City | 1–0 | Newcastle Macedonia |
| 1987 | Stockton | Cessnock City | 1–0 | Stockton |
| 1986 | Stockton | Cessnock City | 3–0 | Belmont |
| 1985 | Wallsend | Belmont | 1–0 | Wallsend |
| 1984 | Austral United | Austral United | 2–0 | Wallsend |
| 1983 | Cardiff | Cardiff | 3–0 | Austral United |
| 1982 | Doyalson-Wyee RSL | Cardiff | Doyalson-Wyee RSL | |
| 1981 | Austral United | Austral United | 4–1 | Doyalson-Wyee RSL |
| 1980 | Dudley Redhead United | Beresfield United | 6–1 | Belmont |
| 1979 | Hamilton Red Star | West Lakes | 4–3 | Hamilton Red Star |
| 1978 | Belmont Swansea United | Belmont Swansea United | 1–0 | Belmont |
| 1977 | Cessnock City | Belmont Swansea United | Cessnock City | |
| 1976 | Central Coast United | |||
| 1975 | Maitland | Central Coast United | 3–2 | Maitland |
| 1974 | Charlestown United | Maitland | Charlestown United | |
| 1973 | Edgeworth Eagles | Kotara South | 2–1 | Edgeworth Eagles |
| 1972 | Mayfield United | Mayfield United | 3–1 | Cessnock City |
| 1971 | New Lambton South | Mayfield United | 2–0 | New Lambton South |
| 1970 | Maitland | Maitland | 2–1 | Charlestown RSL |
| 1969 | Maitland | Maitland | 2–1 | Mayfield United |
| 1968 | Cardiff | Cardiff | 2–1 | Cessnock City |
| 1967 | New Lambton South | Mayfield United | New Lambton South | |
| 1966 | Belmont Swansea United | |||
| 1965 | Hamilton Azzuri | Slavia United | 3–2 | Hamilton Azzuri |
| 1964 | Weston Bears | Weston Bears | 2–1 | Dudley Redhead |
| 1963 | Jesmond | Mayfield United | 7–2 | Jesmond |
| 1962 | Maitland | Whitebridge | 2-0 (AET) | Maitland |
| 1961 | Merewether Advance | Merewether Advance | 6–4 | Jesmond |
| 1960 | Jesmond | |||
| 1959 | Whitebridge | Kahibah | 2–1 | Young Wallsend |