- Type: Private
- Abbreviation: PSN
- Administration: CEO: Adi Rahman Adiwoso
- Founded: 1991
- Country: IDN
PT Pasifik Satelit Nusantara (PSN) is a private Indonesian satellite telecommunications company.
It was formed in 1991 and was the first satellite-based telecommunications company in Indonesia. In 1995, a collaboration started what was to become ACeS (Asia Cellular Satellite system). In 1998, a WAN-based service for corporate customers was introduced.