Theodore Bernays Spiering (September 5, 1871 – August 11, 1925) was an American violinist, conductor and teacher. Spiering was born in Old North St. Louis, Missouri, where at age five he took his first lessons in violin from his father, concertmaster of the St. Louis Symphony Orchestra. He made his first public appearance at age seven. He studied at the College of Music of Cincinnati, now the University of Cincinnati College-Conservatory of Music, with violin teacher Henry Schradieck. He studied with Joseph Joachim in Berlin from 1888 to 1892 and later became concertmaster of the orchestra of Joachim Hochschule.