| Manhay | |
| Picture-Legend: | Manhay town hall |
| Map: | Manhay Luxembourg Belgium Map.svg |
| Map-Legend: | Location of Manhay in Luxembourg province |
| Arms: | Blason de Manhay.svg |
| Flag: | Flag of Manhay.svg |
| Arrondissement: | Marche-en-Famenne |
| Nis: | 83055 |
| Mayor: | Geoffrey Huet |
| Majority: | AvecVousManhay |
| Postal-Codes: | 6960 |
| Telephone-Area: | 086 |
| Web: | manhay.be |
| Coordinates: | 50.3°N 45°W |
Manhay (pronounced as /fr/; wa|Manhé) is a municipality of Wallonia located in the province of Luxembourg, Belgium.
On 1 January 2007 the municipality, which covers 119.81 km², had 3,185 inhabitants, giving a population density of 26.6 inhabitants per km².
The municipality consists of the following districts: Dochamps, Grandménil, Harre, Malempré, Odeigne and Vaux-Chavanne (town centre).