| Season: | 2016 |
| Nextseason: | 2017 |
The 2016 Football Federation South Australia season was the 110th season of soccer in South Australia, and the fourth under the National Premier Leagues format.
| Competition: | NPL South Australia |
| Season: | 2016 |
| Winners: | Campbelltown City |
| Premiers: | Adelaide City |
| Relegated: | South Adelaide Adelaide Raiders |
| Matches: | 84 |
| Total Goals: | 312 |
| League Topscorer: | Anthony Costa (15 goals) |
| Biggest Home Win: | Adelaide City 6−0 Adelaide United |
| Biggest Away Win: | MetroStars 1−5 Adelaide Blue Eagles |
| Highest Scoring: | Adelaide City 7−4 Adelaide Raiders |
| Prevseason: | 2015 |
| Nextseason: | 2017 |
The National Premier League South Australia 2016 season was played over 22 rounds, with the number of teams in the competition reduced to 12 teams.[1]
| Rank | Player | Club | Goals[2] |
|---|---|---|---|
| 1 |  Anthony Costa | Adelaide City | 15 |
| 2 | Yvan Boyokino | Adelaide Blue Eagles | 12 |
| 3 | Nikola Mileusnic | Adelaide City | 11 |
| 4 | Fausto Erba | Adelaide Olympic | 10 |
| Jonathon Rideout | South Adelaide | ||
| 6 | Nicholas Bucco | Adelaide City | 7 |
| Doni Pollock | MetroStars | ||
| Thomas Strain | Campbelltown City | ||
| Rocco Visconte | Croydon Kings | ||
| 10 | Anthony Dimas | Adelaide Blue Eagles | 6 |
| Taro Kawamura | West Torrens Birkalla | ||
| Adam Piscioneri | Campbelltown City | ||
| Daniel Sullivan | South Adelaide | ||
| Fumiya Suzuki | West Torrens Birkalla | ||
| Competition: | NPL State League 1 |
| Season: | 2016 |
| Promoted: | Cumberland United Para Hills Knights |
| Relegated: | Adelaide Hills Playford City |
| Matches: | 84 |
| Total Goals: | 271 |
| League Topscorer: | Callum Flanagan (11 goals) |
| Biggest Home Win: | Cumberland United 6−1 White City |
| Biggest Away Win: | Adelaide Victory 1−5 White City Playford 1−5 Cove |
| Highest Scoring: | Cumberland United 6−1 White City Cumberland United 5−2 Salisbury Sturt 5−2 Cove Para Hills 2−5 Adelaide Victory |
| Prevseason: | 2015 |
| Nextseason: | 2017 |
The 2016 NPL State League 1 was the fourth edition of the NPL State League 1, the second level domestic association football competition in South Australia (and third level within Australia overall). 12 teams competed, playing each other twice for a total of 22 rounds.
| Competition: | NPL State League 2 |
| Season: | 2016 |
| Promoted: | Noarlunga United Gawler SC |
| Matches: | 36 |
| Total Goals: | 145 |
| League Topscorer: | Jaylan Capurso, Kindilon Maclean (6 goals) |
| Biggest Home Win: | Adelaide Vipers 6−0 Mount Barker United |
| Biggest Away Win: | Mount Barker United 1−5 Cobras Eastern United 2−6 Cobras Eastern United 0−4 Noarlunga |
| Highest Scoring: | Seaford Rangers 7−4 Eastern United |
| Nextseason: | 2017 |
The 2016 NPL State League 2 was the first edition of the new NPL State League 2 as the third level domestic association football competition in South Australia (and fourth level within Australia overall). 9 teams took part, all playing each other twice for a total of 16 matches. New teams included SAASL teams Fulham United and Adelaide Vipers and also Collegiate Soccer League team Mount Barker United.
| Association | Champions | |
| Collegiate Soccer League | Adelaide Uni Grads Red | |
| Limestone Coast Football Association | Gambier Centrals | |
| Port Lincoln Soccer Association | Sekol Masters | |
| Riverland Soccer Association | Renmark Olympic |
| Competition: | PS4 Women's National Premier League |
| Season: | 2016 |
| Winners: | Metro United |
| Premiers: | Metro United |
| Prevseason: | 2015 |
| Nextseason: | 2017 |
The highest tier domestic football competition in South Australia for women was known for sponsorship reasons as the PS4 Women's National Premier League. This was the inaugural season of a new NPL format. The 8 teams played a triple round-robin for a total of 21 games.
South Australian soccer clubs competed in 2016 for the Federation Cup. Clubs entered from the NPL SA, the State League 1, State League 2, South Australian Amateur Soccer League and South Australian Collegiate Soccer League.
This knockout competition was won by North Eastern MetroStars.
The competition also served as the South Australian Preliminary rounds for the 2016 FFA Cup. In addition to the MetroStars, the A-League club Adelaide United qualified for the final rounds, entering at the Round of 32.