Frank Arnold
Frank Arnold may refer to:
Frank Arnold (basketball) (1934–2024), American basketball coach
Frank Arnold (director) (born 1938), Australian television director
Frank Arnold (footballer) (1877–1943), Australian rules footballer
Frank Arnold (umpire) (1851–1929), American baseball umpire
Frank B. Arnold (1839–1890), New York politician
Frank D. Arnold, United States Ambassador to El Salvador
Frank W. Arnold (1851–1917), American trade union functionary
Frank Arnold (architect), American architect with many works in Forest Park Southeast Historic District of St. Louis, Missouri
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