| Nová Ves nad Váhom | |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Name: | Slovakia |
| Subdivision Type2: | Region |
| Subdivision Name2: | Trenčín |
| Subdivision Type3: | District |
| Subdivision Name3: | Nové Mesto nad Váhom |
| Pushpin Map: | Slovakia Trenčín Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Nová Ves nad Váhom in the Trenčín Region |
| Coordinates: | 48.7333°N 70°W |
| Established Title: | First mentioned |
| Established Date: | 1419 |
| Area Total Km2: | 12.11[1] |
| Area Total Sq Mi: | 4.68 |
| Elevation M: | 181[2] |
| Elevation Ft: | 594 |
| Population Total: | 553[3] |
| Population Density Km2: | 45.45[4] |
| Population Density Sq Mi: | 17.55 |
| Postal Code Type: | Postal code |
| Postal Code: | 916 31 |
| Area Code: | +421 32 |
| Blank Name: | Car plate |
| Blank Info: | NM |
| Website: | www.novavesnadvahom.sk |
Nová Ves nad Váhom (Hungarian: Vágújfalu) is a village and municipality in Nové Mesto nad Váhom District in the Trenčín Region of western Slovakia.
In historical records the village was first mentioned in 1419. Before the establishment of independent Czechoslovakia in 1918, Nová Ves nad Váhom was part of Trencsén County within the Kingdom of Hungary. From 1939 to 1945, it was part of the Slovak Republic.
The municipality lies at an altitude of 180 metres and covers an area of 12.112 km2. It has a population of about 517 people.