PPNS
| Acronym | Definition |
|---|---|
| PPNS | Pertubuhan Peladang Negeri Selangor (Malay: Selangor State Farmers' Organization; Selangor, Malaysia) |
| PPNS | Penyidik Pegawai Negeri Sipil (Indonesia) |
| PPNS | Princeton Project on National Security |
| PPNS | Pennington Presbyterian Nursery School (Pennigton, NJ) |
| PPNS | Politeknik Perkapalan Negeri Surabaya (Indonesian vocational education; est. 1987; Surabaya, Indonesia) |
| PPNS | Planned Parenthood North Shore (Canada) |