NCOG
| Acronym | Definition |
|---|---|
| NCOG | NCO Group (stock symbol) |
| NCOG | Northern California Oncology Group |
| NCOG | National Coalition of Grandparents (Madison, WI) |
| NCOG | North Country Orthopaedic Group (medical practice; Watertown, NY) |
| NCOG | Northport Church of God (Northport, AL) |