| Country | Wales | ||
|---|---|---|---|
| Teams | 34 | ||
| Defending champions | Wrexham Victoria | ||
| Champions | Llandudno Swifts | ||
| Runners-up | Wrexham Gymnasium | ||
|
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The 1891–92 Welsh Amateur Cup was the second season of the Welsh Amateur Cup. The cup was won by Llandudno Swifts who defeated Wrexham Gymnasium 2-1 in the final.