Segelföreningen i Björneborg

Segelföreningen i Björneborg (BSF for short), is a yacht club from Pori, Finland.

BSF was established by Gustaf Sohlström on 26 January 1856 and it is the oldest sports club in Finland. The clubhouse is located in Mäntyluoto by the Port of Pori, adjacent to the Kallo Lighthouse, some 20 kilometres northwest of the city.

The club hosted the 2006 Snipe European Championship, and again in 2018.