PT Pasifik Satelit Nusantara (PSN) is an Indonesian satellite communication 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. In 1996, it became the first Indonesian company to be listed on the [[Nasdaq stock exchange.

In 2019, the company launched Nusantara Satu, Indonesia's first Broadband Satellite that uses high-throughput satellite technology for a greater bandwidth capacity to provide broadband access services to all regions of Indonesia.