Seven Seas Navigator is a luxury cruise ship operated by Regent Seven Seas Cruises. She entered service for Radisson Seven Seas Cruises in 1999. Ninety percent of her cabins have their own private verandas.^[2] She has no sister ships. The hull was constructed by former USSR (Russia) as a satellite tracking ship.^[3] The hull was purchased by RSSC and the superstructure was finished by Mariotti Yards, Italy.

In 2004, the ship was featured and used as a focal point for the movie After the Sunset. The movie starred Pierce Brosnan and Salma Hayek.

In the spring of 2006, Radisson Seven Seas Cruises re-branded as Regent Seven Seas Cruises. The Seven Seas Navigator continues to sail under the brand Regent Seven Seas Cruises.

The Navigator underwent a $40 million refurbishment in March/April 2016 that upgraded the common areas and suites.

USN Captain (retired) Morton Jablin has lived on Seven Seas Navigator since 2005.^[4][5]

During the coronavirus pandemic, on 2020.05.21, it was reported that a female crew member aboard Seven Seas Navigator had tested positive for SARS-CoV-2, and that a second crew member was also showing symptoms of the virus.^[6][7] The ship had subsequently requested entry to the Port of Barcelona, and the Ministry of Health granted them an exception to do so.^[6] After docking, both sick crew members were given serological tests, and both returned positive.^{[6][8][lower-alpha 1]} Both crew members were isolated, and the rest of the roughly 450 crew members of the ship were placed under quarantine.^[6][9]