| Competition: | National First Division |
| Season: | 2004–05 |
| Winners: | Free State Stars |
| Promoted: | Free State Stars, Tembisa Classic |
| Relegated: | Dangerous Darkies North-West Tigers Avendale Athletico Louisvale Pirates[1] |
| Prevseason: | 2003–04 |
| Nextseason: | 2005–06 |
The 2004–05 National First Division (known as the Mvela Golden League for sponsorship reasons) was the 9th season of the National First Division, the second tier of South African soccer.
Under the new sponsor, the two streams, Coastal and Inland, were merged into a single national league.[2]
The champions were Free State Stars, who were promoted to the South African Premier Division. Tembisa Classic also earned promotion, after winning the playoffs.[3]
Four clubs were relegated, as the following 2005–06 National First Division was reduced from 18 to 16 teams.
Basotho Tigers were renamed North-West Tigers, moving to Vryburg from Kimberley and after another change of ownership, to Johannesburg.
----Manning Rangers, who finished 15th in the 2004–05 Premier Soccer League, were relegated to the 2005–06 National First Division
Tembisa Classic earned promotion to the 2006–07 Premier Soccer League.