| Player | Position | From | Until | |
|---|---|---|---|---|
| Dylan Agar | Wing | 2022 | 2022 | |
| Berian Allcock | Hooker | 1998 | 1998 | |
| Ieuan Allen | Wing | 2025 | 2025 | |
| James Allen | Centre | 2008 | 2011 | |
| Lloyd Allen | Centre | 2023 | 2025 | |
| Bobby Andrews | Half back | 2014 | 2014 | |
| Les Anthony | Prop | 1950 | 1950 | |
| Daniel ap Dafydd | Hooker | 2004 | 2004 | |
| James Aven | Wing | 1994 | 1995 | |
| Cled Ayres | Full-back | 1950 | 1950 | |
