Sweeney \s-weeney, swe(e)-ney\ as a boy's name is of Irish and Gaelic origin, and the meaning of Sweeney is "small hero".

Sweeney has 1 variant form: Sweeny.

Baby names that sound like Sweeney are Cheney, Shawney, Sunney, Swen, Swaine and Swayne.