| Rhondda West | |
|---|---|
| Former borough constituency for the House of Commons | |
| 1918–1974 | |
| Seats | One |
| Created from | Rhondda and Mid Glamorganshire |
| Replaced by | Rhondda |
Rhondda West was a parliamentary constituency centred on the Rhondda district of Wales. It returned one Member of Parliament (MP) to the House of Commons of the Parliament of the United Kingdom, elected by the first past the post system. Along with Rhondda East it was formed by dividing the old Rhondda constituency.