August Bohlin (born July 7, 1877 Österlövsta, died May 19, 1949) was a nyckelharpa and fiddler from Uppland.
He is known for developing the three-row nyckelharpa of today in 1929.
August came from a musical family; his father Johan was a skilled nyckelharpist.
Father and son produced three albums together in 1913 (Odeon 840, 845 and 847).