South Dakota Cities
- Nahant, SD
- Nahon, SD
- Naomi, SD
- Naples, SD
- Nemo, SD
- New Effington, SD
- New Elm Spring Colony, SD
- New Holland, SD
- New Underwood, SD
- New Witten, SD
- Newark, SD
- Newdale Colony, SD
- Newell, SD
- Newport Colony, SD
- Nihart, SD
- Nisland, SD
- Nora, SD
- Norbeck, SD
- Norfeld Colony, SD
- Norris, SD
- North Eagle Butte, SD
- North Shore, SD
- North Sioux City, SD
- North Spearfish, SD
- Northville, SD
- Norton Acres, SD
- Norway Center, SD
- Novak, SD
- Nowlin, SD
- Nunda, SD
