Thomas Daniel Nyfenger (October 6, 1936 - June 12, 1990) was an American flutist and teacher known for his "intense and caring emotion for the flute" and described as “a thorough professional who programs interesting music and is not above having a good time while playing it.” He taught at the Yale School of Music, played piccolo for the Indianapolis Symphony Orchestra, and held many part-time playing and teaching positions throughout his career.