| Nová Dedinka | |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Name: | Slovakia |
| Subdivision Type2: | Region |
| Subdivision Name2: | Bratislava |
| Subdivision Type3: | District |
| Subdivision Name3: | Senec |
| Pushpin Map: | Slovakia Bratislava Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Nová Dedinka in the Bratislava Region |
| Coordinates: | 48.1881°N 17.3586°W |
| Established Title: | First mentioned |
| Established Date: | 1252 |
| Area Total Km2: | 10.24[1] |
| Area Total Sq Mi: | 3.95 |
| Elevation M: | 128[2] |
| Elevation Ft: | 420 |
| Population Total: | 3309[3] |
| Population Density Km2: | 315.31[4] |
| Population Density Sq Mi: | 121.74 |
| Postal Code Type: | Postal code |
| Postal Code: | 900 29 |
| Area Code: | +421 19 |
| Blank Name: | Car plate |
| Blank Info: | SC |
| Website: | www.novadedinka.sk |
Nová Dedinka (Hungarian: Dunasápújfalu) is a village and municipality in western Slovakia in Senec District in the Bratislava Region.
In historical records the village was first mentioned in 1252.
The municipality lies at an altitude of 130 metres and covers an area of 10.242 km2. It has a population of 1751 people.