| Official Name: | North Ballston Spa, New York |
| Settlement Type: | Census-designated place |
| Pushpin Map: | New York#USA |
| Pushpin Label: | North Ballston Spa |
| Pushpin Label Position: | left |
| Coordinates: | 43.0197°N -73.8531°W |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Saratoga |
| Subdivision Type3: | Town |
| Subdivision Name3: | Milton |
| Area Footnotes: | [1] |
| Area Total Sq Mi: | 0.87 |
| Area Land Sq Mi: | 0.87 |
| Area Water Sq Mi: | 0.00 |
| Area Total Km2: | 2.26 |
| Area Land Km2: | 2.25 |
| Area Water Km2: | 0.01 |
| Population As Of: | 2020 |
| Population Density Km2: | 611.55 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 407 |
| Postal Code Type: | ZIP Code |
| Postal Code: | 12020 (Ballston Spa) |
| Area Code: | 518/838 |
| Blank Name: | FIPS code |
| Blank Info: | 36-51467 |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 2389561 |
| Population Total: | 1376 |
| Unit Pref: | Imperial |
| Population Density Sq Mi: | 1583.43 |
North Ballston Spa is a census-designated place (CDP) within the town of Milton in Saratoga County, New York, United States. As of the 2020 census, it had a population of 1,376.
The CDP is southwest of the center of Saratoga County, in the southeastern corner of the town of Milton. It is bordered to the south by the village of Ballston Spa, the Saratoga county seat; to the north by the Milton CDP; and to the east by the city of Saratoga Springs, the largest city in the county.
New York State Route 50 runs through North Ballston Spa, connecting Ballston Spa and Saratoga Springs.