| Season: | 2018 |
| Nextseason: | 2019 |
The 2018 Northern NSW Football season was the fifth season under the new competition format in northern New South Wales.
| Competition: | NPL Northern NSW |
| Season: | 2018 |
| Winners: | Broadmeadow Magic |
| Premiers: | Edgeworth Eagles |
| Relegated: | - |
| League Topscorer: | - |
| Prevseason: | 2017 |
| Nextseason: | 2019 |
| Season: | 2018 |
| Winners: | Belmont Swansea United |
| Premiers: | Cooks Hill United |
| League Topscorer: | - |
| Biggest Home Win: | - |
| Biggest Away Win: | - |
| Highest Scoring: | - |
| Matches: | - |
| Prevseason: | 2017 |
| Nextseason: | 2019 |
The NEWFM Northern League One (formerly Northern NSW State League Division 1) season was the fifth season of the new Northern NSW State League Division 1 as the second level domestic association football competition in the district of Northern NSW. The top team at the end of the year can be promoted to the 2019 National Premier Leagues Northern NSW, subject to meeting criteria.
| Competition: | Zone Premier League |
| Season: | 2018 |
| Winners: | Newcastle Suns |
| Premiers: | Mayfield United |
| Relegated: | Jesmond FC |
| Prevseason: | 2017 |
| Nextseason: | 2019 |
The 2018 Zone Premier League season was the fifth edition of the Newcastle Zone Premier League as the third level domestic football competition in the district of Northern NSW.
| Competition: | Zone League 1 |
| Season: | 2018 |
| Winners: | Raymond Terrace |
| Premiers: | Raymond Terrace |
| Promoted: | Raymond Terrace |
| Prevseason: | 2017 |
| Nextseason: | 2019 |
The 2018 Zone League 1 season was the fifth edition of the Zone League 1 as the fourth level domestic football competition in the district of Northern NSW.
| Competition: | Zone League 2 |
| Season: | 2018 |
| Winners: | Hunter Simba |
| Premiers: | New Lambton |
| Promoted: | New Lambton |
| Prevseason: | 2017 |
| Nextseason: | 2019 |
The 2018 Zone League 2 season was the fifth edition of the Zone League 2 as the fifth level domestic football competition in the district of Northern NSW.
| Competition: | Zone League 3 |
| Season: | 2018 |
| Winners: | Hamilton Azzurri |
| Premiers: | Hamilton Azzurri |
| Promoted: | Hamilton Azzurri |
| Prevseason: | 2017 |
| Nextseason: | 2019 |
The 2018 Zone League 3 season was the fifth edition of the Zone League 3 as the sixth level domestic football competition in the district of Northern NSW.
| Competition: | Herald Women's Premier League |
| Season: | 2018 |
| Winners: | Merewether United FC |
| Premiers: | Warners Bay FC |
| Matches: | 90 |
| Total Goals: | 219 |
| League Topscorer: | Jenna Kingsley (27 goals) |
| Biggest Home Win: | Warners Bay 8 def. South Wallsend 1 |
| Highest Scoring: | South Wallsend 6 def. New Lambton 5 |
| Prevseason: | 2017 |
| Nextseason: | 2019 |
The highest tier domestic football competition in Northern NSW for women is known for sponsorship reasons as the Herald Women's Premier League.
Northern NSW soccer clubs competed in 2018 within the Northern NSW Preliminary rounds for the 2018 FFA Cup. In addition to the A-League club Newcastle Jets, the two Round 7 winners - Broadmeadow Magic and Charlestown City Blues - qualified for the final rounds of the FFA Cup, entering at the Round of 32. Broadmeadow Magic reached the Round of 16.