| Country: | Wales |
| Official Name: | Whitton |
| Coordinates: | 52.3068°N -3.0909°W |
| Unitary Wales: | Powys |
| Lieutenancy Wales: | Powys |
| Constituency Westminster: | Brecon and Radnorshire |
| Constituency Welsh Assembly: | Brecon and Radnorshire |
| Post Town: | KNIGHTON |
| Postcode District: | LD7 |
| Postcode Area: | LD |
| Post Town1: | PRESTEIGNE |
| Postcode District1: | LD8 |
| Postcode Area1: | LD |
| Os Grid Reference: | SO25856767 |
| Population: | 348 |
| Population Ref: | (2011) |
| Welsh Name: | Llanddewi-yn-Hwytyn or Hwytyn |
Whitton (cy|Llanddewi-yn-Hwytyn; standardised: Welsh: Hwytyn) is a village and a community in Radnorshire, Powys, Wales. It is located on the B4356 road south of Knighton. Hamlets in the community include Rhos-y-meirch and Pilleth.
The community's population in 2011 was 348.[1]
St Mary's church is a grade II* listed building.[2]
The community is part of the Llangunllo electoral ward for elections to Powys County Council.