New Witten
- County:
- Tripp County
- County Seat:
- No
- Area (mi²):
- 0.277
- State:
- South Dakota
New Witten is a town located in Tripp County, South Dakota. New Witten has a 2026 population of 54. New Witten is currently growing at a rate of 1.89% annually and its population has increased by 1.89% since the most recent census, which recorded a population of 53 in 2020.