| Clubname: | Llanrwst United |
| Fullname: | Llanrwst United Football Club |
| Nickname: | The Rwsters |
| Ground: | Gwydir Park Llanrwst |
| Chairman: | Chris Williams |
| Manager: | Leighton Griffiths (2024-present) |
| Website: | http://www.llanrwstutdfc.co.uk/ |
| Pattern B1: | _whitesidesshoulders |
| Leftarm1: | DD0000 |
| Body1: | DD0000 |
| Rightarm1: | DD0000 |
| Shorts1: | DD0000 |
| Socks1: | DD0000 |
Llanrwst United (cy|Clwb Pêl-Droed Llanrwst Unedig) is a Welsh football club based in Llanrwst in the Conwy Valley. They play in the . The club colours are red and white.
Llanrwst United were founded in 1983 after Llanrwst Town and Llanrwst Athletic merged.[1]
In the 2012–13 season the club won the Barritt Cup.[2]
Llanrwst play at the Gwydir Park ground, close to the bridge in the centre of the town.