Brittany Caroline Haas, born in 1987 in Menlo Park, California, is an American fiddle player who also sings and plays the banjo. At age eight, she began taking both classical violin and bluegrass fiddle lessons, switching to the fiddle as her primary instrument at thirteen after hearing Bruce Molsky. In 2001, at fourteen, Haas toured with Darol Anger's Republic of Strings. She released her debut solo album Brittany Haas in 2004, produced by Anger and featuring guest musicians including Bruce Molsky and Mike Marshall. From 2005 to 2009, while studying at Princeton University, she was a member of the alternative bluegrass band Crooked Still, with whom she made four recordings and toured internationally. In June 2023, she joined the Americana band Punch Brothers as their new fiddle player. She collaborated twice with Swedish musician Lena Jonsson on albums Lena Jonsson & Brittany Haas (2015) and The Snake (2024), and once with her sister, double bassist Natalie Haas, on the album Haas (2023).
