Boldklubben 1909, known as B1909, is a Danish association football club currently playing in the Denmark Series.

They play at Gillested Park in Odense on Funen, which has a capacity of 6,000.

In the 2006–07 season, the first team of B1909 merged with B 1913 and Dalum IF, to form FC Fyn.

In 2013, as FC Fyn was dissolved, the three mother clubs were reestablished in the lower leagues.

This article about a Danish football club is a stub.