1998–99 Welsh Alliance League
| Season | 1998–99 |
|---|---|
| Champions | Llangefni Town |
← 1997–98 | |
The 1998–99 Welsh Alliance League was the 15th season of the Welsh Alliance League after its establishment in 1984. The league was won by Llangefni Town.
| Season | 1998–99 |
|---|---|
| Champions | Llangefni Town |
← 1997–98 | |
The 1998–99 Welsh Alliance League was the 15th season of the Welsh Alliance League after its establishment in 1984. The league was won by Llangefni Town.