Meaning and name origin
Duwaine \du-waine, duwa(i)-ne\ as a boy's name is of Irish and Gaelic origin, and the meaning of Duwaine is "dark, swarthy". Duwaine is a variant of Duane (Irish, Gaelic); historical: many Irish and Scottish names have the meaning "dark" or "black".
Duwaine is not a popular first name for males and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is a comparison of the popularity of the boy name Duwaine and its variant forms. Popular variation forms ranked in the Top 1000/100 are Dwayne (#881), Duane, Dwaine, Dwain, Duwayne and Dewayne. (2014 statistics).