things in or near Pittsburgh named after him:

the Duquesne Spy Ring, which he led

Duquesne, Arizona, now a ghost town

Duquesne University

Fritz Joubert Duquesne, the Boer/German spy who allegedly was responsible for the death of Field Marshal Kitchener in 1916

Duquesne Dukes, the name of Duquesne University's athletic teams

Calleigh Duquesne, a character in the television series CSI: Miami

Fort Duquesne

Duquesne, Pennsylvania

French admiral Abraham Duquesne

Duquesne, Missouri

Duquesne Incline

French governor Marquis Duquesne

Duquesne Gardens

Skylark DuQuesne, a science fiction novel by E. E. "Doc" Smith

Duquesne (PRR), a Pennsylvania Railroad passenger train, later renamed the Keystone by Amtrak

Duquesne Heights

eight ships and one cruiser class in the French Navy named after him; see French ship Duquesne