| Full name | Cardiff Harlequins Rugby Football Club |
|---|---|
| Founded | 1880s |
| Location | Cardiff, Wales |
| League(s) | Defunct |
Cardiff Harlequins RFC was a rugby union club located in the Welsh capital city of Cardiff. The team provided several international players during the late 19th century, most notably Gwyn Nicholls, who after leaving the club not only represented Wales but also played for the British Isles on their 1899 tour of Australia. The club disbanded in the 1890s.