Duwain \du-wain\ as a boy's name is a variant of Duane (Irish, Gaelic) and Dwayne (Irish, Gaelic), and the meaning of Duwain is "dark, swarthy".

The baby name Duwain sounds like Dwain, Duwaine and Dewain. Other similar baby names are Dain, Durwin, Dowan, Dwaine, Duwayne, Dugan, Duran, Gawain, Juwan, Owain, Swain and Twain.