Thomas Duffy

Thomas or Tom Duffy may refer to:


 * Thomas Duffy (VC) (1805–1858), Irish recipient of the Victoria Cross in 1857
 * Thomas A. Duffy (1906–1979), New York politician and judge
 * Thomas C. Duffy (born 1955), American composer and conductor of the Yale University Concert Band
 * Thomas J. Duffy, American designer/craftsman
 * Thomas F. Duffy (born 1955), American actor
 * Thomas T. Duffy (1835–?), American politician
 * Tom Duffy (hurler), Irish hurler
 * Tom Duffy (ringmaster), Irish circus performer and ringmaster
 * Tom Duffy's Circus