Frank W. Arnold

Frank W. Arnold
Born(1851-10-05)October 5, 1851
DiedJanuary 9, 1917(1917-01-09) (aged 65)
St. Luke's Hospital, Chicago
Burial placeGreen Lawn Cemetery, Columbus, Ohio
Known forGrand Master and Secretary-Treasurer of the Brotherhood of Locomotive Firemen

Frank W. Arnold (1851–1917) was an American trade union functionary, lawyer, businessman, and government employee. He is best remembered as a Grand Master and Secretary-Treasurer of the Brotherhood of Locomotive Firemen (B of LF).

Arnold headed the B of LF from 1879 to 1885, leaving to enter a career in business and law. He would return as Secretary-Treasurer of the B of LF in 1892, holding the post until the end of 1903. At the time of his death, Arnold worked as an Examiner for the United States Interstate Commerce Commission.