| 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) |