Dugan \d(u)-gan\ as a boy's name is pronounced DOO-gen. It is of Irish and Gaelic origin, and the meaning of Dugan is "dark, swarthy".

Dugan has 4 variant forms: Doogan, Dougan, Douggan and Duggan.

Baby names that sound like Dugan are Dagan, Deegan, Dagen, Dagon and Tegan.