Duke \d(u)-ke\ as a boy's name is pronounced dook. It is of Latin origin, and the meaning of Duke is "leader". Title used as a nickname or given name. Duke is also a short form of Marmaduke. Duke has Western associations because it was the nickname of actor John Wayne, known for his roles in films of the American West. Jazz musician Duke Ellington.

For more information, see also related names Barnett, Baron, Earl, King and Lord.

Baby names that sound like Duke are Deke, Dack, Dag, Daeg, Dick, Dago, Doug, Dicky, Dickie, Takeo, Tige and Tuck. Other similar baby names are Luke, Dre, Drue, Bake, Dace, Dade, Dale, Dane, Dave, Dawe, Daye, Dekle, Dekel, Dene, Dee, Deker, Dirke, Dice, Dyce, Dore, Dowe, Drake, Duane, Duff, Dunn, Dunc, Dunne, Zeke, Ike, Jake, Lake, Mike, Pike, Pyke, Tune and Wake.