| Founded | 1995 |
|---|---|
| No. of teams | 12 |
| Country | Wales |
| Most recent champion(s) | Tumble RFC (2009–10) |
| Level on pyramid | 5 |
| Promotion to | WRU Division Three West |
| Relegation to | WRU Division Five West |
| Official website | archive |
The Welsh Rugby Union Division Four West (also called the SWALEC Division Four West for sponsorship reasons) is a rugby union league in Wales first implemented for the 1995/96 season.