| Hong Kong FA Cup | |
| Year: | 1984–85 |
| Country: |  Hong Kong |
| Winners: | South China |
| Count: | 1 |
| Second: | Harps |
| Prev Season: | 1983–84 |
| Next Season: | 1985–86 |
1984 - 85 Hong Kong FA Cup was the 11th staging of the Hong Kong FA Cup. It was competed by all of the 9 teams from Hong Kong First Division League.
South China won the cup for the first time after beating Harps in the final by 3–1 in the reply match.