| Competition: | Welsh Alliance League |
| Season: | 1993–94 |
| Winners: | Llangefni Town |
| Relegated: | Conwy United Reserves Penmaenmawr Phoenix |
| Prevseason: | 1992–93 |
| Nextseason: | 1994–95 |
The 1993–94 Welsh Alliance League was the tenth season of the Welsh Alliance League after its establishment in 1984. The league was won by Llangefni Town.