MS Baltic Star is a cruise ship owned by Rederi Hotell Fartyget BJ AB that was operated on services between Stockholm, Sweden and Helsinki, Turku and most recently Mariehamn on Åland (Finland).

She was built in 1953 as a passenger liner at Finnboda shipyard in Nacka, Sweden as SS Birger Jarl for Rederi AB Svea.

In 1973 she was sold to Jakob Lines, was renamed SS Bore Nord and converted into a ferry.

[3] SS Birger Jarl was ordered by Rederi AB Svea from Finnboda shipyard in Nacka, Stockholm, where the keel of the ship was laid on 16 November 1951.

SS Birger Jarl is one of the so-called Olympia ships, built to upgrade the ferry traffic for the Helsinki 1952 Summer Olympics.